SPT - Service Manuals
68 manuals available for download
SPT - 1970
Technical reference document issued by the Society of Photo-Technologists (SPT) featuring detailed service notes for maintenance and disassembly of several professional photographic cameras. This publication provides comprehensive disassembly and cleaning procedures for five distinct models: ARGUS 260 Automatic, YASHICA Flash-O-Set, YASHICA Minister III, NIKKOREX Zoom 35, ARGUS Super 8 Model 812, HANIMEX Auto EE, VOIGTLANDER Vito B, and BAUER C2A Super. For each camera, the document delivers precise instructions identifying screw locations and components using clock-position references for accurate component recognition. Sections address shutter disassembly, flash system mechanisms, viewfinder assembly, diaphragm blade operation, and film advance mechanics. Each procedure includes practical guidance on cleaning techniques, handling precautions, and critical reassembly points. An essential reference for camera repair technicians and specialists dedicated to the maintenance and restoration of vintage professional photographic equipment.
SPT - 1970
A collection of technical service notes published by the Society of Photo-Technologists (SPT), providing detailed maintenance and repair procedures for professional photographic equipment. This reference manual contains comprehensive instructions for the TOWER 20B shutter mechanism, covering disassembly procedures, frame counter access, film wind mechanics, and M and X synchronization contacts. The documentation includes extensive guidance on the Nikkormat camera for film counter access, with step-by-step directions for removing the rewind lever and top cover assemblies. A dedicated section addresses the Kalimar AM camera, documenting its automatic shutter cocking system, available shutter speeds ranging from 1/25 to 1/200 seconds, and dual exposure prevention mechanisms. Additional sections cover disassembly of the Gossen Lunisix light meter, troubleshooting the Mamiya C3 film counter malfunction, and modification techniques for Nikkor lenses to accommodate accessory brackets. The guide features detailed mechanical diagrams and photographic documentation of key assemblies. Each procedure includes safety warnings, specific screw locations, and practical advice contributed by experienced technicians specializing in these camera systems.
SPT - 1970
Published by the Society of Photo-Technologists (SPT), this technical service manual provides comprehensive maintenance and repair notes for several classic camera models from the era. The document addresses the Canon 135mm F/2.5 lens, Agfa Optima IIIS, Wittnauer Twin 8mm camera, Honeywell Strobonar 65D, Yashica EZ-matic 4, early Nikon Rangefinder models, Rollei 35, and Bolex 16mm projector/camera. Each section delivers detailed disassembly procedures, component inspection protocols, and reassembly instructions with specific cautions regarding sensitive mechanisms such as diaphragm springs, shutter assemblies, and film advance systems. The manual incorporates a labeled schematic diagram illustrating the light meter circuit architecture using CdS photocells and measurement electronics. Specialized operational notes and service tips are included for selected models. This collection of service notes represents essential technical documentation for camera repair technicians, restoration specialists, and vintage equipment enthusiasts seeking authoritative guidance on professional-level maintenance procedures.
SPT - 1970
Service notes publication issued by the Society of Photo-Technologists containing comprehensive maintenance and repair procedures for precision photographic equipment and optical instruments. This technical resource covers detailed disassembly instructions and servicing techniques for multiple professional camera models and photographic equipment. Featured equipment includes: Hasselblad Leaf Type Shutter Model, film magazines for leaf-type shutters, Kodak Instamatic 233, Kodak Retina III, Gauthier microscope shutters, Yashica D, Yashicamat 124, Rolleiflex 2.8F with meter timing functions, Nikkor N F/3.5 50mm lenses, Airequipt 450EF autofocus slide projector, B&H Autoload Super 8 movie camera, Polaroid Prontor shutters, and additional specialized shutter systems. Each section provides step-by-step disassembly procedures, internal mechanism access points, component replacement guidance, and critical adjustment parameters. The documentation incorporates technical schematics, annotated diagrams illustrating mechanical components, and safety precautions for handling sensitive optical systems. An essential reference for camera repair technicians, equipment restorers, and professional photographers requiring expert-level technical knowledge and specialized service procedures.
SPT - 1970
Technical service notes collection published by The Society of Photo-Technologists covering two distinct instruments. The first section details disassembly, operation, and repair of the PRONTOR SVS Shutter, Model 0475. It documents the service history of defects encountered (broken teeth on diaphragm index ring and faulty retaining spring), provides comprehensive mechanism description with speed range from 1 second to 1/300, diaphragm settings from f/4.7 to f/45, and features of the self-timer system. Disassembly and reassembly procedures are thoroughly explained with detailed illustrations of the hollow pinion gear system and diaphragm control mechanism. The second section addresses the KEYSTONE Model K-620 Super 8 movie camera, focusing on meter battery access, film compartment disassembly, shutter mechanism extraction, and optical assembly removal. Dimensional schematics and precise instructions for proper jig usage ensure correct reassembly procedures. Essential technical documentation for camera and cinematographic equipment repair technicians seeking authoritative guidance on these specific models.
SPT - 1970
Service Notes published by the Society of Photo-Technologists in January-February 1970, providing detailed disassembly procedures and maintenance guidance for several professional cameras of the era. The publication covers the Warner 6X6 Rittreck, explaining the basic SLR disassembly process, speed dial mechanisms, film advance lever operation, and film reminder counter systems. The Agfa Super Silette section documents a camera equipped with a Synchro Compur shutter and f/3.5 lens, with specific instructions for diaphragm coupling procedures. Technical information is provided for the Anscomatic slide projector, detailing bottom removal, control panel housing, and motor assembly disassembly. Extensive coverage of the Exacta VX IIa includes lens and prism removal, nameplate disassembly, advance lever procedures, and internal mechanism access. The Minolta Auto Zoom 8 instructions focus on eyepiece removal, film compartment access, trim plate extraction, and zoom drive motor exposure. The Nikkorex Zoom 35 section addresses shutter removal preparation, focusing ring procedures, and optical element disassembly. Throughout the document, detailed black-and-white photographs illustrate internal mechanism layouts and critical component access points. Essential reference material for camera service technicians and vintage camera enthusiasts.
SPT - 1971
This comprehensive technical collection from 1971 contains multiple detailed electrical schematic diagrams for photographic flash units from the SPT brand. The document spans four pages of professional wiring diagrams and electronic circuits. The first page presents the schematic of a variable flash unit (Vivitar Flash Unit Model Unknown) featuring components including transformers, high-voltage capacitors (300V, 350V, 500V), various resistors, and a flash tube. The circuit details power supply, synchronization circuits, and triggering systems. The second page illustrates the schematic of a Goldcrest SR-30 flash unit with neon tubes, charging circuits, transformers, and control systems. The third page shows the Goldcrest SR-35 flash unit schematic with similar components organized in modular fashion. The fourth page contains the complete schematic of a Vivitar Speedlight 40 flash unit, demonstrating the integration of multiple synchronization circuits, transformers, filtering capacitors, and protection systems. Each schematic includes precise component values (resistors, capacitors, inductors), operating voltages, and connection points. These documents serve as an essential resource for technicians engaged in repairing photographic equipment and electronic flash units from this era.
SPT - 1971
Complete index of SPT service notes for 1971, covering pages 1 through 426. This essential reference document provides a comprehensive alphabetical directory of disassembly, adjustment, and repair procedures for a wide range of photographic equipment. The index encompasses major manufacturers including Agfa, Ansco, Argus, Atlas, Balda, Bauer, Beseler, Bolex, Bronica, Canon, Copal, Dacora, Dejur, Edixa, Elmar, Emolux, Exa, Exacta, Exakta, Faultless, Flexaret, FR, Fujica, Gauthier, Goldcrest, Gossen, Graphic, Hasselblad, Hershey, Holiday, Honeywell, Hugo-Myer, Ilford, Iloca, and Kalimar. Each entry directs users to the specific page containing detailed instructions for disassembly, parts replacement, mechanism adjustment, internal component access, and various technical interventions. This index serves as an indispensable reference tool for photographic technicians, camera repair professionals, and restoration experts, enabling rapid access to service procedures for hundreds of renowned camera models.
SPT - 1971
Service notes published by the Society of Photo-Technologists covering disassembly and maintenance procedures for several professional photographic cameras. This technical document provides detailed repair instructions for the Nikon F-36 Motor Drive, including the motor unit, replacement camera back, and battery pack removal. It also presents comprehensive disassembly procedures for the Mamiya 8G Model III, with specific guidance on electrical components and moving parts. The guide covers bottom cover removal of the Canon Canonet F/1.9, disassembly of the Komaflex-S equipped with Seikosha SLV shutter, and step-by-step instructions for the Kern-Paillard Yvar F/4 150mm telephoto lens. Detailed procedures for the Minolta 'A' and Minolta SRT-101 are included, featuring meter coupling diagrams and recommendations for accessing film advance and shutter cocking mechanisms. Supplementary information on Yashica Auto-Yashinon F/1.8 55mm lens optics rounds out this essential technical manual for camera repair technicians and service professionals.
SPT - 1971
Service notes published by the Society of Photo-Technologists covering September-October 1971. This technical compendium presents detailed maintenance and repair procedures for several professional photographic instruments of the era. Coverage includes the Vivitar Tele-Zoom 85-105mm f/3.8, Kodak Carousel 800, Bell & Howell No. 302 16mm magnetic optical projector, Praktica-Mat, Nikomat FTN, Canon FX, and Petri FT focal plane SLR. Each section provides precise disassembly instructions, component adjustment techniques, speed regulation procedures, and maintenance protocols. Contributions from specialized technicians include practical insights and critical precautions to prevent damage during service operations. Such documentation proved invaluable for professional photographers and laboratory technicians requiring reliable methods to maintain their equipment in optimal working condition.
SPT - 1971
Specialized service notes issued by the Society of Photo-Technologists (SPT) for November-December 1971, covering pages 415 through 426. This technical publication contains detailed disassembly and maintenance procedures for several professional and semi-professional cameras prevalent during that era. Featured sections include comprehensive step-by-step disassembly instructions for the Kodak Instamatic 174, including access to internal components and proper handling of delicate mechanisms. The Argus C-3 section focuses on shutter disassembly with particular attention to gear alignment and speed escapement mechanisms. Shutter access procedures are provided for the Petri Color 35, with specific guidance on removing retaining rings and protective covers. Repair procedures for jammed shutter and transport mechanisms affecting the Kodak Instamatic models 314 and 414 are thoroughly documented, along with reassembly guidance for the M4 movie camera variant. Additional coverage includes the Exakta 500 with top cover and mechanism removal procedures, and the Mamiya/Sekor Super Deluxe f1.7 focusing on shutter accessibility techniques. Each section contains precise sequential instructions and essential cautions for service technicians and experienced repairpersons.
SPT - 1971
Collection of service notes published by the Society of Photo-Technologists covering maintenance and repair procedures for several professional photographic cameras. This publication provides detailed disassembly and adjustment instructions for the Exacta VIIIb, Canonet 28, Keystone K715P, Baldessa IA, Yashica Super 8, and Petri camera models. The Exacta VIIIb section includes comprehensive procedures for camera disassembly, shutter mechanism extraction, and slow speed mechanism operation, accompanied by an annotated technical diagram of the speed selector mechanism. The Canonet 28 procedures address front and rear housing disassembly and component access. Keystone K715P instructions focus on exposing electrical mechanisms and shutter systems. Yashica and Petri sections emphasize front plate removal and address common shutter problems resulting from worn metal components in the release mechanism. Each section is authored by experienced technicians with specialized expertise in their respective camera brands. An authoritative technical reference essential for professional camera repair technicians and restoration specialists.
SPT - 1971
Collection of technical service notes published by the Society of Photo-Technologists covering July-August 1971. This compilation presents detailed disassembly and maintenance procedures for several professional and semi-professional photographic instruments of the era. Instructions address the Nikomat Automatic Slide Projector with its control access mechanisms, the Nikkormat FT featuring top cover removal and shutter assembly procedures, the Minolta HI-Matic 7S with its film advance and rewind shaft mechanisms, and the Mamiya Sekor Super f/4.5 180mm lens designed for Mamiya C twin-lens reflex cameras. Additional content covers troubleshooting procedures for the Kodak Flash 200 shutter, top cover removal instructions for the Agfa Silitte LK, galvanometer removal for the Rolleiflex 2.8E, and diagnostic guidance for Honeywell Auto-Strobonar 600 & 660 trigger circuits. Each section provides precise sequential disassembly instructions, critical component identification, and essential safety precautions. Authored by specialized technicians, this service notes collection serves as an invaluable resource for restorers, maintenance technicians, and collectors of classic photographic equipment.
SPT - 1972
A collection of technical service notes published by The Society of Photo-Technologists covering the March-April 1972 period (pages 427-438). This publication assembles detailed maintenance, repair, and disassembly procedures for several popular camera models of the 1970s. The comprehensive technical content includes: - Rollei Magic II: complete disassembly of the film advance wind mechanism, removal of the cranking handle assembly and access procedures to internal components - Olympus Pen D3: shutter removal procedures and exposure meter system disassembly with precise instructions for accessing optical elements - Canon TL: cover plate removal, mirror cage disassembly and gear train access - Argus Automatic-Cintagon 35mm: full disassembly including shutter mechanism removal and film advance system - Instamatic 404: supplementary information on later model variations and flash cube mechanism timing procedures - Kodak Instamatic X-15: case removal and film wind mechanism repair - Unimatic 606: Prontormatic shutter system disassembly with spring positioning and component details - Prontor Polaroid Shutter for MP-3 Copy Camera: shutter blade removal and exposure techniques The document also features practical guidance on fabricating tools for heat-sealing plastic bosses. Each technical section is authored by a specialized technician whose name and location are provided, ensuring the authenticity and reliability of the information presented.
SPT - 1972
November-December 1972 issue of the Society of Photo-Technologists (SPT) Service Notes, covering pages 483 through 498. This technical resource presents comprehensive information on the maintenance and repair of Polaroid photographic equipment. The Polaroid general information section addresses parts availability policies and provides technical contacts for shutter and converter repairs. A detailed visual checkout and mechanical repair guide covers shutter housing disassembly procedures, inspection of the magnet and bobbin assembly, blade mechanisms, and spring tension adjustments. Multiple Color Pack models including the 100, 102, 220, 230, 240, 250, 340, 350 and the 103, 104, 210, 125, 320, 330 series are documented with their respective baseplate assemblies and battery system variations. Technical specifications include switch operations, electrical contact configurations, and shutter speed adjustment procedures. The document features a complete section on Polaroid bellows replacement, with step-by-step instructions for component access and battery interlock modification. A dedicated CP-11 flash cube holder repair section describes disassembly techniques designed to preserve connector strips and internal components during service procedures.
SPT - 1972
A comprehensive collection of technical service notes and maintenance procedures published by the Society of Photo-Technologists for July-August 1972. This publication addresses multiple professional photographic instruments and equipment with detailed disassembly and service instructions. Coverage includes the Minolta Auto Rokkor-PF f1.4 58mm lens with thorough diaphragm disassembly procedures, the Airequipt Superba 33 35mm projector presenting case and panel removal techniques, the Bauer C2 Super-Movie Camera with step-by-step front mechanism disassembly guidance, and the Agfa Silette SLE 35mm camera focusing on shutter removal procedures. An extensive addendum addresses the mechanisms of E.Kodak M-6, M-7, M-8, and M-9 cameras, documenting critical disassembly sequences and essential precautions for successful service. A detailed schematic diagram for the Sears 8916 electronic flash unit (manufactured by Metz) is included with battery specifications and battery check circuit operation details. Each section provides precise step-by-step instructions, specialized tool recommendations, and practical field advice contributed by experienced service technicians from different geographic locations. These notes constitute an invaluable reference for professional camera repair technicians and photography equipment specialists seeking authoritative maintenance guidance.
SPT - 1972
Technical service notes publication from the Society of Photo-Technologists covering September-October 1972. This comprehensive resource documents maintenance and disassembly procedures for period camera equipment, with detailed guidance on servicing the Agfa Super Silette L K Type 2110 with Pronto L K shutter. The manual provides extensive instructions on front panel and shutter removal, internal light meter cell operation and positioning, component indexing for proper reassembly, and synchronization procedures between the shutter mechanism and exposure metering system. Additional coverage includes disassembly techniques for the Agfa Movexoom Couble 8mm movie camera and the Wards 736 Super 8 camera. Each section contains step-by-step procedures, critical reference points for correct assembly, and specific precautions for handling delicate mechanical and optical components. Featuring technical diagrams and mechanical illustrations to clarify complex procedures, this document serves as an essential reference for vintage camera repair technicians, professional restorers, and precision instrument maintenance specialists working with classic photographic equipment.
SPT - 1972
Collection of technical service notes published by The Society of Photo-Technologists in May-June 1972. This publication delivers comprehensive maintenance and repair procedures for professional photographic equipment and optical instruments. Featured topics include detailed disassembly instructions for the Minolta Autopak 500 Instamatic, with step-by-step guidance on removing the exterior cover to access the shutter mechanism, flash contacts, and internal photoelectric components. Specialized repair procedures for the Viceroy Power Zoom Reflex camera address the removal of the front lens focusing element and zoom ring barrel assembly. The document provides troubleshooting solutions for the Macbeth TD 100A densitometer, specifically addressing needle drift issues on the measurement scale and optical path alignment corrections. A complete shutter speed tester project is included, featuring a comprehensive parts list of electronic components and a fully annotated electrical schematic diagram. Additionally, detailed disassembly instructions cover the Keystone Auto Instant K1010 camera, providing access procedures for the rear housing, shutter assembly, and light meter circuits. All technical contributions are authored by experienced field technicians, ensuring practical applicability and technical accuracy throughout the publication.
SPT - 1973
Comprehensive service notes compilation from November-December 1973 published by the Society of Photo-Technologists. This publication consolidates detailed maintenance and repair procedures for multiple professional photographic instruments of that era. Coverage encompasses the GAF SC/92 Super 8 Movie Camera front cover and battery removal procedures, the Bauer Mini S Super 8 mechanism extraction from its case, and extensive access instructions for the Exakta 6x6 2.5-inch Single Lens Reflex film counter and winding mechanism with precise gear adjustment specifications. Detailed information is provided regarding the Anscomatic ST 84 Super 8 Movie Camera, with particular emphasis on the intricate retiming procedures for intermediate gears and counter gears in the Exakta—considered among the most challenging adjustments. Additional service guidance covers the Bauer 88G Automatic Cine Camera motor assembly, Asahi Pentax Spotmeter back removal procedures, Edixa Prismat LTL curtain access and adjustment, and Miranda SR disassembly. Each section presents step-by-step instructions authored by experienced technicians, providing invaluable guidance for professionals specializing in the repair and maintenance of vintage photographic and cinematographic equipment.
SPT - 1973
A collection of technical service notes published by the Society of Photo-Technologists (SPT) covering maintenance and repair procedures for several professional photographic devices and accessories. This compendium assembles practical field advice from experienced service technicians. The content addresses: Nikon F2 Meter (meter disassembly), Polaroid 180 with Seiko SLV shutter (shutter access and removal procedures, speed cam extraction), Polaroid 360 Land Camera (flash unit maintenance and charging procedures), Keystone K1010 (disassembly and adjustments), Argus Roundabout series slide projectors (jamming and ejection troubleshooting), Argus V 100 (disassembly, film transport and shutter repair), Minolta AL (front lens element removal), Argus Autronic & Minolta Hi-Matic (stuck meter needle), and Fujica motorized half-frame drive (flash circuit repair). Each section provides detailed step-by-step instructions accompanied by safety warnings and field expertise notes signed by experienced technicians. Primarily intended for camera service and repair professionals who require authoritative technical guidance for specific models.
SPT - 1975
Collection of service notes published by the Society of Photo-Technologists covering multiple topics relevant to camera technicians and repair professionals. The document features comprehensive articles on servicing the Polaroid SX-70 camera, discussing important considerations before undertaking repairs and diagnostic procedures. A complete guide for building an auto collimator is provided, featuring a detailed schematic (Figure 1) showing all necessary optical components: objective lens, condenser lenses, beam-splitting mirror, and reticle. An alternative collimator design for adjusting telephoto lenses is also presented. The document includes a dedicated Yashica YK supplement detailing the front lens element removal procedure and camera body disassembly steps. Additional sections address GAF XI 110 disassembly, the application of solvents and lubricants in photography work, and construction specifications for an oscilloscope-based shutter tester with collimator. The publication also provides guidelines for purchasing replacement parts and recommended rules for parts-purchasing programs within chapters.
SPT - Canon AE1 Guide
This comprehensive technical guide addresses adjustment and troubleshooting procedures for the Canon AE-1 single-lens reflex camera. The document outlines critical adjustment locations including SV-TV resistor, maximum aperture correction, shutter speed settings, and metering calibration. It provides a methodical adjustment sequence with precise reference values: curtain travel time (11.3 ms ± 0.3 ms), flange-to-focal-distance measurement (42.14 mm), and maximum aperture correction pin specifications. The guide includes detailed electrical circuit diagrams and pin assignments (PX1, PX2, PX3) with measured voltages for various configurations. Troubleshooting sections address common symptoms such as shutter failure to release, battery issues, and non-functioning meter, supported by systematic diagnostic steps. The document covers component replacement procedures, critical solder points, and reassembly protocols. It includes disassembly highlights and reassembly procedures, safety precautions (battery removal before unsoldering), and a typical power consumption table (18 mA at meter, 40-45 mA at shutter release). A specialized calibration tool is referenced: 4.7K resistor for meter calibration. The guide also addresses similar models AT-1, AV-1, and A1.
SPT - Canon AE1 Program Guide
Comprehensive technical guide dedicated to the Canon AE-1 Program and compatible A-series cameras. This manual provides detailed procedures for adjustment, calibration, and maintenance of this iconic 1980s SLR camera. The guide identifies critical adjustment locations including film-speed contact, auto-exposure gain and level settings, oscillator clock frequency, manual speeds, and shutter-curtain mechanisms. Detailed schematics and annotated photographs pinpoint component locations precisely, including ICs (IC1, IC2, IC3, IC4), switches, and sensors throughout the camera. Comprehensive technical specifications and test values are provided: curtain travel times (10.5ms to 9.9ms), flange-focal distance (42.14mm to 41.9mm), clock frequency range (30,117-34,134 Hz), and test point voltages across all integrated circuits. Adjustment sequences address manual speeds, automatic aperture, and auto-exposure with detailed procedures for overexposure and underexposure compensation. Instructions cover non-routine adjustments including oscillator frequency, offset correction, maximum-aperture pin, and film-speed contact calibration. The document features electronic test points, pin voltages for all ICs, disassembly procedures with notes on left-hand threaded fasteners, and reassembly guidelines. Basic user operation overview completes this essential technical reference for camera repair technicians and service professionals.
SPT - Canon F1 1970s
Comprehensive technical guide for the Canon F-1, a pre-A series SLR camera. This service manual is essential for technicians and repair professionals requiring detailed adjustment and maintenance procedures. The document covers critical calibration tasks including battery testing, light meter calibration, warning lever setup, flash synchronization, and shutter speed adjustments (1/125, 1/1000, and 1/2000 second). Adjustment locations are precisely identified (A through R) with detailed photographic schematics of internal mechanisms. A major section provides complete disassembly sequences, including removal of the camera body covers, shutter system, mirror assembly, and prism unit. Step-by-step reassembly procedures ensure proper mechanical function upon restoration. The manual features a comprehensive troubleshooting guide addressing common CdS cell resistance issues, calibration resistor problems, and shutter mechanism failures. An additional section details revised parts and design modifications implemented in later production models. High-quality technical illustrations and exploded views support complex procedures, making this reference indispensable for professional camera service.
SPT - Canon FTb service
Comprehensive technical documentation for the repair and adjustment of the Canon FTb, a pre-A series SLR camera. This manual provides detailed procedures for maintenance and diagnostics essential to professional service technicians. It features a complete inventory of adjustment locations identified by letter codes (A through P), covering the low-light meter, metering limits indicator, mirror-lifting mechanism, and other critical components. Adjustment sections are systematically organized by function: shutter speeds (1/125 to 1/000 second, 1/30 to 1/8 second), curtain travel, and mirror-lifting mechanism operation. A dedicated section on exposure meter linkage explains gear engagement positioning and synchronization mark alignment. The manual provides essential reference values including flange-focal distance specifications, curtain travel measurements, and complete disassembly and reassembly sequences with visual reference points. A comprehensive troubleshooting guide addresses common issues such as erratic curtain movement, meter malfunction, diaphragm failure, and release button behavior. Technical specifications are precise throughout, with multiple photographic illustrations documenting internal assemblies and mechanical relationships critical to proper camera function.
SPT - Canon T70
Comprehensive technical manual dedicated to the Canon T70, a compact rangefinder-type camera. This service guide provides detailed disassembly instructions and internal component access, illustrated with numbered and annotated figures showing each step: removal of top and bottom covers, detailed views of the winding mechanism, shutter system, and control board. The document supplies essential adjustment values including curtain-travel times, focusing distances, clock frequencies, and circuit operating voltages, along with procedures for optimizing camera performance. Operating instructions are thoroughly covered, addressing mode selection, shutter-speed key operation, exposure metering system functionality, and film-rewind mechanism. Pin assignments for integrated circuits and wiring schematics support effective troubleshooting and repair work. The manual also documents adjustment locations, mechanical components like the planetary gear and rewind-gear assembly, and testing procedures for verifying proper operation. Designed for service technicians and experienced photographers seeking in-depth understanding of the Canon T70's internal architecture and adjustment capabilities.
SPT - Citizen Shutter
This technical manual provides comprehensive service and repair procedures for the Citizen shutter used on the Petri 7S camera. Authored specifically Amos for the Society of Photo-Technologists, it serves as an essential reference for professional camera repair technicians. The publication includes shutter speed and synchronization test results, with measurements taken across multiple speed settings ranging from 1/1 to 1/500, enabling technicians to assess performance accuracy. The guide details disassembly and reassembly procedures for critical components including the photo cell, retaining ring, front cup assembly, and scalloped ring. Step-by-step procedures address internal mechanism access, removal of the retard assembly, time delay gear train extraction, and front and back side disassembly. Annotated photographs clearly identify major shutter components such as the shutter speed cam detent, release lever, and photo cell contacts. The manual is accompanied by detailed illustrations showing the shutter mechanisms at various stages of disassembly, enabling technicians to understand the spatial relationships between components. Coverage extends to specialized tools required for safe removal of certain pins and mechanisms, emphasizing proper technique to prevent damage. This resource is indispensable for professional repair technicians and vintage camera enthusiasts undertaking restoration or maintenance of this classic shutter mechanism with precision and professional standards.
SPT - Copal SVE
Comprehensive technical manual for servicing and maintaining the Copal SVE shutter mechanism as installed on the Yashica Lynx 14E camera. Published by the Society of Photo-Technologists in May/June 1972 and specially Amos, this reference guide serves as an essential resource for technicians and camera enthusiasts requiring detailed knowledge of this precision component. The manual opens with pre-disassembly test results documenting shutter speed accuracy across the full range of exposures, from 1 second to 1/500th second, along with flash synchronization performance (X and M modes) and time delay specifications. All shutter speed measurements are presented as percentage deviations from 100% accuracy. The primary section provides step-by-step disassembly instructions for complete access to internal mechanisms. It covers removal of filter ring assemblies, shutter speed indicator rings, exposure resistor band assemblies, speed cam mechanisms, and other critical internal components. Each procedure is supported by annotated photographs revealing the shutter front assembly, multiple retaining rings, shutter front plate, and diaphragm indicator ring configurations. Additional sections address mechanical assembly procedures, lubrication points and specifications, component identification for internal mechanisms, and comprehensive reassembly guidance. The document serves as both a troubleshooting resource and a maintenance manual for restoring Copal SVE shutters to factory specifications.
SPT - Dialog Hasselblad 500
This technical guide presents an in-depth dialogue between multiple camera repair specialists discussing the disassembly and maintenance procedures for the Hasselblad 500C and 500CM camera systems. with contributions from Bill Carn, Dick Carson, Dieter Rokarhr and Ramon Eller, the document combines practical expertise with comprehensive technical knowledge. The guide covers essential preparation points before disassembly, including necessary precautions and specialized tools. Detailed sections explain access to key components: film advance mechanism, shutter system, mirror assembly, body shells, and internal structures. Each procedure is supported by numbered photographic documentation showing front, top, and side views of the camera. Contributors discuss specific repair challenges unique to Hasselblad equipment, particularly mirror alignment criticality, focus adjustment procedures, and blind coupling mechanisms. The document emphasizes proper tooling and mechanical understanding to prevent component damage. The dialogue format provides a progressive, educational approach suitable for professional camera repair technicians. Published in SPT (Society of Photo-Technicians) July/August 1977 issue, it serves as an authoritative reference for Hasselblad maintenance and service operations.
SPT - Fujinon 50mm f14 Service
Technical article from SPT covering repair and service procedures.
SPT - Gossen LunaPro Service
Complete technical service documentation for the Gossen LUNA-PRO light meter. This guide provides precise adjustment locations (low/high range, low/high light) with corresponding adjustment values for EV1, EV7, and EV15 models, along with detailed adjustment sequences achievable without disassembly. Comprehensive disassembly procedures for accessing electronic circuits are included, with safety guidelines for PX-13 battery handling. The troubleshooting section addresses typical battery drain patterns (0.1-0.32 mA high range, 30-50µA low range) and common needle movement issues affecting the galvanometer. Systematic diagnosis of frequent faults covers dirty CdS photocells, defective galvanometers, and hairspring problems. Technical specifications are provided, including photocell resistance (EV14 at 260 ohms) and galvanometer coil resistance (2.8K). Detailed circuit board and assembly photographs aid component identification and diagnostics. Information on available replacement parts and exchange procedures for defective assemblies ensures field technicians have complete support for restoring instrument functionality.
SPT - Hasselblad 500cm
Comprehensive technical documentation for the Hasselblad 500 C/M medium format camera system. This service manual provides thorough coverage of operation, maintenance, and repair procedures essential for professional photographers and technicians. The guide opens with detailed photographic views of the camera from multiple angles, illustrating all major external components and their arrangement. The manual encompasses critical adjustment specifications and procedures, including flange-focal distance values (74.9 mm), focusing screen adjustment, wind-key angle positioning, and initial spring tensions for both the mirror and blind-operating mechanisms. Detailed timing values and calibration data ensure precise functionality. A dedicated troubleshooting and repair section covers maintenance procedures that can be performed without complete disassembly, proper lubrication techniques for critical pivot points and bearing surfaces, and solutions for common malfunctions affecting blind operation, braking systems, and mirror mechanisms. The document includes comprehensive operator instructions explaining shutter operation, film advance mechanisms, and release procedures. A systematic disassembly sequence with numbered steps and clear technical photography guides technicians through major service intervals. Adjustment locations are clearly marked, and the manual addresses both original and modified brake designs to accommodate various production variants.
SPT - January/February 1971
Official bi-monthly publication of the Society of Photo-Technologists. This volume 2, issue 1 from January/February 1971 serves as an essential resource for professional camera repair technicians and photo-technology specialists. The journal opens with The President's Pages, featuring James Todd Amos's article titled "Thinking Things Through," which establishes fundamental principles for photographic equipment repair. The guide articulates two core principles: repair as an intellectual activity and the necessity of thoroughly understanding the intellectual process before commencing physical intervention on equipment. Supported by concrete examples, the article demonstrates how technicians must systematically approach unfamiliar cameras by first diagnosing the customer's complaint through careful examination before disassembly. Additionally, the publication features a technical contribution from Samuel L. Love, founder and former president, presenting "Comparascope Testing of Unique Focal Plane Shutters." This article addresses focal plane shutter speed measurement challenges in large-format cameras, utilizing comparascope or motion analyzer equipment with controlled light sources. Practical solutions are provided for specialized cameras where standard testing methods prove difficult, particularly for aerial cameras and similar formats requiring large test apertures. The journal includes organizational leadership information, sustaining member listings from camera equipment and testing instrument manufacturers, and subscription details for members and non-members alike.
SPT - January/February 1972
This issue of the SPT Journal (Vol. 3, No. 1) published by the Society of Photo-Technologists represents the inaugural release in a specialized series of service manuals designed specifically for independent camera repair technicians. The publication focuses entirely on the Petri Color 35, a compact camera from the 1970s. The manual opens with an editorial foreword outlining the Society's mission: to provide service information written by experienced technicians rather than relying exclusively on factory manuals, which are often unavailable or unsuitable for independent repair shops. The technical documentation for the Petri Color 35 covers comprehensive operational details including: exposure control and metering system operation, shutter speed specifications with accuracy tolerances ranging from ±10% to ±50%, flash synchronization (X contact only), helical focusing mechanism, film speed settings (ASA/DIN), and the complete film transport system with detailed coverage of the wind lever operation, take-up spool drive, and rewind mechanism. The service manual includes a pre-disassembly inspection report of a reference camera unit, providing baseline data essential for maintenance and repair technicians. The documentation serves as both a repair reference and operational guide for technicians working on this particular camera model.
SPT - January/February 1984
Technical journal featuring service documentation and practical guidance for photography professionals and technicians. This issue provides comprehensive coverage of three Minolta camera models and financial management strategies for business owners. The Minolta X-700 section delivers detailed technical analysis with multiple component views (top, bottom, front, rear assemblies), wiring diagrams, and systematic adjustment procedures covering exposure control, flash synchronization, wind mechanism calibration, and viewfinder alignment. Specific voltage readings, tolerance ranges, and step-by-step troubleshooting protocols are included for accurate service execution. Coverage extends to the Autopak 450E troubleshooting guide and documentation for the MD 50mm 1:2 lens system. Each technical article features precision illustrations identifying critical component locations, contact points for electrical connections, and exact calibration values. Additionally, a financial article provides practical strategies for managing closely held corporations. This publication serves camera repair technicians, professional photographers, and equipment owners seeking authentic factory documentation and reliable maintenance procedures for Minolta camera systems.
SPT - July/August 1972
This July/August 1972 issue of the SPT Journal (Vol. 3, No. 4), published by the Society of Photo-Technologists, serves as a comprehensive and practical guide for camera repair professionals. The publication opens with a detailed foreword Amos and Dick Knight, offering essential guidance on ordering repair parts, establishing supplier accounts, payment methods, and best practices for optimizing purchases from parts suppliers. The main directory contains multiple organized sections: a comprehensive supplier address directory, a dedicated test equipment section, a catalog of essential tools and accessories, information on belts and bellows, as well as supplies and miscellaneous items. The central portion of the document provides a complete index of repair parts and manuals paired with corresponding supplier addresses. Additional sections address corrections, professional announcements, and a specialized resource on transistorized and printed circuits. This publication represents an invaluable reference tool for camera and photographic equipment repair technicians of the era, offering practical sourcing information and technical guidance essential for professional repair operations.
SPT - July/August 1973
This edition of the SPT Journal & Service Notes, published by the Society of Photo-Technologists in July-August 1973, provides comprehensive technical and professional information for camera repair specialists. The issue extensively covers the 1973 New York convention, featuring detailed discussions on parts supply, testing instruments, technical training, and industry hiring practices. A significant highlight involves SPT's designation as the official communication channel with the Japan Camera Industry Association, establishing direct lines between U.S. repair technicians and Japanese suppliers. The journal includes repair shop tour reports, technical bulletins on Seikosha shutter design modifications with parts ordering guidance, a comparative study of testing equipment, announcements regarding Bauer manuals available on microfilm, and updates on professional mechanic certification programs. Specialized articles address camera repair as a career path, Kodak's self-teaching program for Pocket Instamatic models, and equipment reviews. The publication also incorporates a parts directory with additions and revisions, repair pricing analysis, and discussions on professional ethics and integrity. This reference publication serves as an essential resource for service technicians navigating the repair industry's technical and business landscape.
SPT - July/August 1980
July-August 1980 edition of the SPT Journal & Service Notes, the official publication of the Society of Photo-Technologists. This issue delivers comprehensive technical articles and service procedures for professional photography equipment maintenance and repair. Featured sections include detailed coverage of the Olympus OM-2, Canon F-1, Vivitar 35-85 Varifocal series, Minolta 110 Zoom, Contax RTS, and Yashica FRI/FRII camera models. The publication provides service notes encompassing adjustment procedures, component location references, and precise technical specifications required for professional servicing. A dedicated section addresses SPT's battery recycling program, focusing on mercury and silver battery recovery initiatives. Additional content includes advertising rate information (full-page ads at $200, half-page at $100) and a comprehensive directory of photography equipment repair and service providers. All service articles were prepared making this issue an invaluable technical reference for professional camera technicians and authorized service centers of the period.
SPT - Konica FS1
Complete technical documentation for the Konica FS-1 camera, providing comprehensive service procedures, maintenance guidelines, and repair instructions. This manual details the technical specifications and critical adjustments for the automatic exposure system and shutter mechanism. Content includes dedicated sections covering the AE amplifier circuit, film-transport motor assembly, and mirror-box assembly with precise technical diagrams. Adjustment procedures address key parameters such as V02 bias voltage, curtain travel times, and maximum-aperture resistor settings. The guide presents detailed operating cycles for the automatic exposure system, including shutter curtain control mechanisms with magnets and motors, as well as electronic circuitry. A comprehensive disassembly and reassembly section with specific handling precautions is provided, particularly regarding sensitive photocell circuit components. Adjustment specifications, voltage values, and operational sequences enable thorough understanding of this sophisticated camera's internal mechanisms and electronics.
SPT - Konica FT1
Comprehensive technical documentation dedicated to the motor system of the Konica FT-1 camera. This manual provides detailed information on the operation, mechanical structure, and maintenance procedures for the motorized functions of this camera. The document features detailed views of the motor from multiple angles (front view, bottom view, rewind side view) along with explanations of the EE control circuit and release magnets. Complete technical specifications are included, covering the AE coupling range (EV 0.7 to EV 19 at ISO 100 with f/1.8 lens) and precision adjustments for VO2 voltage, automatic exposure, and shutter curtain timing. The film transport system, diaphragm mechanism with driving gears, and operation of the mirror motor and film wind motor relays are thoroughly explained. A comprehensive disassembly section provides step-by-step instructions for removing and reinstalling critical components, while the calibration section covers adjustments for VO2 voltage, exposure control, and shutter curtain travel time. Detailed schematics illustrate component locations, amplifier circuits, and electrical contact points. Troubleshooting guidance addresses common issues including mirror motor failures, shutter resistor problems, and contact anomalies, with symptom identification and corrective procedures.
SPT - Leica CL Guide
Comprehensive technical guide specifically designed for the Leica CL, covering maintenance, adjustments, and troubleshooting procedures for this classic rangefinder camera. The manual features detailed step-by-step access procedures to internal components with precise photographic illustrations throughout. The guide provides an extensive list of adjustment locations including shutter-speed alignment, horizontal and vertical rangefinder shifts, secondary-image focus, meter housing movement, and fast-speed control calibration, each identified by corresponding component references. Essential technical specifications are included, such as the flange-focal distance (27.95 mm), battery test values (ASA 100, 1/60), and curtain-travel timing parameters. The disassembly sequence section outlines the precise removal order for major components: back shell and bottom cover, top cover, pressure-plate assembly, front plate, speed-knob assembly, rangefinder control arm, and photocell unit. Critical cautions highlight potential damage risks when handling delicate elements like the meter needle. The document incorporates a dedicated troubleshooting section with electrical component specifications (CdS cell resistance at 280 ohms, galvanometer coil resistance at 3.8K). Complete wiring diagrams and annotated positional diagrams enable rapid identification and location of every component, making this guide an indispensable resource for service technicians and experienced camera restorers.
SPT - Mamiya 500TL
Technical service publication issued by the Society of Photo-Technologists in November-December 1973, dedicated to the maintenance and repair of the Mamiya Sekor 500TL camera. This comprehensive article by Leland R. Bartel outlines detailed disassembly procedures, operational theory, and reassembly techniques for this single-lens reflex camera with interchangeable lenses. The guide provides thorough analysis of the camera body components, particularly those located on the bottom plate, including the wind lever mechanism, diaphragm-meter switch system, spring assemblies, and shutter-curtain tension adjustments. The guide features annotated technical diagrams identifying each internal component and their relationships. A dedicated section addresses common failure modes specific to this model, particularly exposure meter switch malfunctions, with practical troubleshooting and repair solutions. Additional content includes supplementary service notes, reader correspondence, professional listings, and information about camera repair training courses. Applicable to the entire 500 and 1000-TL series, this issue of the SPT technical journal serves as an essential reference for technicians and service professionals specializing in Mamiya camera repairs and maintenance during the 1970s era.
SPT - March/April 1970
Official bimonthly publication of the Society of Photo-Technologists distributed to its members. This March-April 1970 issue represents the second volume of the journal and marks a significant milestone in the organization's communications strategy. The publication addresses essential topics for camera repair technicians and workshop managers operating during this pivotal period in photography history. The primary feature, "Workshop Practice and Management," delivers practical guidance on camera repair shop operations, workflow optimization, and technical workspace organization. Additional content includes news and updates from the executive secretary highlighting membership growth (an increase of 800 members reported), organizational development initiatives, and strategic directions for the society. The journal incorporates a service and sales directory for member reference, a letters section fostering community engagement among technicians, and president's pages outlining the organization's vision. Service notes on specialized testing equipment such as Digital timers and Oscilloscope-type instruments are featured, enabling readers to make informed decisions about equipment selection. This comprehensive publication reflects the professional standards and collective knowledge of the photo-technologist community in the early 1970s, serving as an important resource for documenting industry practices, technical advancements, and organizational growth during this formative period.
SPT - March/April 1972
Official publication of the Society of Photo-Technologists (SPT), this March-April 1972 issue provides comprehensive coverage of professional and technical matters in the camera repair industry. The journal features a substantive article titled "Toward Professional Integrity and Dignity" National Service Training Administrator for Honeywell's Photo Products Division. This piece examines the key challenges facing camera repair technicians, including the lack of admission standards in the field, uncontrolled competition that drives down service rates, and difficulties in enhancing the profession's public image and professional status. The article explores critical issues such as off-the-books work (moonlighting), unfair competitive practices, and strategies for raising quality standards and income levels within the profession. The publication also includes a section titled "SPT and IPART Get Acquainted" that outlines the relationship between the American SPT and the United Kingdom's Institute Photographic Apparatus Repair Technicians (IPART), detailing qualification criteria for senior technicians in the UK and emphasizing the importance of professional standards. This issue serves as a valuable historical document for understanding the professional evolution and ethical concerns that shaped the camera repair industry during the early 1970s.
SPT - March/April 1984
Technical publication featuring service notes and practical articles for photographers and technicians. Contents include comprehensive coverage of the Nikon FG camera with detailed schematics and complete adjustment procedures, documenting control locations for auto exposure modes, warning signals, switches and electrical contacts. The manual also addresses the Nikon Series E 50mm f/1.8 lens with technical and maintenance specifications. Includes dedicated sections on Olympus OM-G and OM-20 cameras with their respective features and characteristics. Contains guidance on business tax optimization strategies. The publication features detailed technical illustrations, numbered diagrams showing front, rear and side views of cameras, as well as internal schematics with test points, connectors and critical components. Each section provides precise adjustment values, diagnostic procedures and operational notes essential for maintenance and repair work. Calibration information, mechanical-release adjustments and mirror synchronization details are included with measurement tolerances. Intended for service technicians, professional photographers and specialized repair businesses.
SPT - May/June 1972
May-June 1972 issue (vol. 3, no. 3) of the SPT Journal, the official publication of the Society of Photo-Technologists. This edition features a prominent article titled « The British Viewpoint as seen by Granville Kirkup », which reprints selections from the « Exploded View » column published in Photo Trade World, Britain's leading photographic trade magazine. The article provides comprehensive insights into the critical challenges facing the camera repair industry during the 1970s, written by Granville Kirkup, an experienced industry veteran with over two decades in camera repair and wholesale management. The content covers essential operational and business topics: the working conditions and infrastructure of repair workshops, communication gaps between service companies and their customers, the management challenges of both small and large repair operations, and technical issues surrounding damaged or « third party » cameras requiring complete disassembly for repair. The article further examines the strained relationships between repair service companies and equipment distributors regarding spare parts supply and availability. This publication serves as a valuable reference for camera repair technicians and photography professionals seeking to understand the industry landscape and professional standards of the era.
SPT - May/June 1976
May-June 1976 issue of the SPT Journal & Service Notes, the official publication of the Society of Photo-Technologists. This Volume 7, Number 3 issue addresses multiple technical subjects vital for camera repair technicians. The primary content features a comprehensive service and maintenance guide for the Nikkormat EL camera, with detailed procedures for adjustment and troubleshooting. The issue includes a useful Sears-Ricoh cross-reference table identifying equivalent 35mm camera models and cartridge cameras between the two manufacturers. A substantial section covers training sessions and service schools scheduled throughout summer and fall 1976, offering courses in business methods, electronics, and practical testing techniques. Additional content encompasses an updated parts directory, a remedial reading list for technical reference, and a complete index of 1976 service notes. Advertisements feature precision testing equipment such as the Kyoritsu CEE-1A meter and shutter speed testers. Supporting materials include employment opportunities with camera repair service centers. This publication is essential reference material for workshop technicians seeking to maintain current knowledge of professional camera repair practices and calibration procedures for mid-1970s equipment.
SPT - May/June 1984
Technical publication from May-June 1984 by SPT (Society of Photo Technicians) covering four important Pentax products. This journal delivers detailed service articles on the Pentax Sport 35, Pentax Super Program, Pentax PC 35 Winder, and the SMC Pentax A 1:1.4 50mm lens. The document provides specific service and adjustment procedures for each camera, including infinity focus adjustments, autofocus testing protocols, self-timer adjustments, and shutter mechanism verification. The Pentax Sport 35 section comprehensively details LED finder battery testing, exposure control verification, sprocket timing adjustments, and switch locations and functions. Illustrated with exploded views, component diagrams, and detailed figures showing internal mechanisms and critical adjustment points throughout. The journal also includes announcements of scheduled manufacturer visits for October 1984 and advertising rate information. Essential reference material for service technicians and professional camera maintenance specialists.
SPT - Minolta 110 Zoom
Comprehensive technical documentation for the Minolta 110 Zoom compact camera. This manual presents essential adjustment and maintenance procedures for this classic photography instrument. Key sections encompass: adjustment locations covering focus, auxiliary lens, viewfinder focus, trigger switch, parallax, high and low light exposure, constant current, macro focus and aperture size; detailed adjustment procedures for infinity focus optimization, exposure tuning in both dim and bright lighting conditions, and constant current calibration; an extensive troubleshooting guide addressing battery issues, focusing problems, exposure irregularities and shutter release failures; complete disassembly and reassembly sequences with precise operational steps; schematic circuit-base plate diagrams and switching contact connections; and identification of critical components including electromagnet, ABX lever and various control switches. Additional coverage includes LED indication functions, battery test protocols and mechanical shutter speeds. This reference proves invaluable for camera repair technicians and vintage photography enthusiasts seeking detailed service information.
SPT - Minolta XG Update
This technical update addresses nine major component revisions for Minolta XG models prior to the XG-M (XG-7, XG-1, XG-9). The documentation covers critical mechanism modifications including the ratchet pawl assembly mounting revision to the counter base plate, an updated shutter block design with improved interchangeability, and a redesigned Mg2 release magnet featuring a new armature-post configuration. Additional revisions encompass the mirror latch with upgraded roller specification (3mm), the film take-up spool and shaft now manufactured in plastic with revised hooking tabs, and an improved auto-manual selector switch incorporating dual contacts per switch position with enhanced spring tension. The aperture-coupling ring benefits from more flexible brush contacts to prevent LED flickering issues, while internal flash contact modifications eliminate potential IC damage from off-brand flash units. Each modification is comprehensively illustrated with technical photographs showing assembly details, component positioning, and critical part references necessary for proper adjustment and repair work. Essential reference material for technicians specializing in Minolta XG camera maintenance and restoration.
SPT - Minolta XG7 Guide
Comprehensive technical guide dedicated to the Minolta XG-7 single-lens reflex camera and related models (XG-1, XG-9). This document provides detailed information on adjustment procedures, troubleshooting, and maintenance for this camera system. It covers adjustment locations including auto speeds, meter readout, manual shutter settings, wind overtravel, and flash synchronization. Precise adjustment values are specified for curtain travel time, flange-focal distance, and mechanical parameters. The disassembly section outlines step-by-step sequences for accessing internal components with emphasis on safety and proper part handling. The troubleshooting section offers systematic diagnostic procedures for common issues: excessive battery drain, shutter release failures, LED display malfunction, and mirror return problems. Each problem is traced through specific circuits and components with recommended test points and voltage measurements. The document also covers frequently repaired sections and provides comments on component variations and design modifications in later production models. Technical diagrams illustrate internal mechanism layouts and component positioning, while a complete electrical schematic supports circuit-level diagnostics.
SPT - Minolta XGM
Comprehensive technical service guide for the Minolta XG-M camera, designed for repair technicians and enthusiasts. This manual provides detailed adjustment procedures, diagnostic methods, and repair instructions essential for proper camera maintenance. Coverage includes specific adjustment locations for manual and auto inclination, exposure compensation, film speed, and LED readout functions, with precise reference values and resistor specifications. The guide highlights key distinctions between the XG-M model and earlier XG series cameras, particularly regarding motor-drive acceptance and electronic circuitry. Detailed wiring diagrams illustrate both Type S and Type T circuit configurations. Step-by-step disassembly procedures identify each component and connection point for systematic servicing. Troubleshooting sections address common symptoms including shutter release failures, viewfinder LED malfunctions, and curtain travel issues. A comprehensive resistor chart with corresponding part numbers covers all adjustment resistance values. Additional technical notes address design variations based on camera serial numbers and factory differences in circuit board manufacturing. This resource serves as an indispensable reference for anyone performing maintenance or restoration work on the Minolta XG-M camera.
SPT - Nikon F2 Guide
Comprehensive service and maintenance technical guide for the iconic Nikon F2 camera, published in the SPT Journal of January/February 1983. This document provides detailed procedures for disassembly, adjustments, and repair operations on this professional-grade instrument. It identifies similar models (Nikon F), specifies required batteries (2 S76 cells), and features precisely annotated internal component diagrams. The guide systematically catalogs all critical adjustment points: shutter speed control lever, slow and fast speed mechanisms, curtain release systems (first and second curtain), springs, and operating levers. Comprehensive adjustment procedures cover curtain travel times, focusing mechanisms, brake assemblies, and eccentric adjustments. A dedicated disassembly section presents the exact sequence: bottom cover, front plate, wind-side top cover, mirror box, and related assemblies. The manual addresses frequently repaired sections including second curtain replacement, speed-selection lever repair, and photometric meter contact troubleshooting. Enhanced by high-quality photography depicting internal mechanisms and critical access points, this guide serves both professional technicians and dedicated camera restorers requiring authoritative technical reference material.
SPT - Nikon F3
This comprehensive technical service manual covers maintenance, diagnostics, and adjustment procedures for the Nikon F3 camera body and its variants (F3HP, F3T, F3 Autofocus). The documentation provides detailed disassembly procedures with precise references to internal component access, featuring technical illustrations showing the positioning of critical elements including mirror assembly, shutter curtains, electronics, and drive train components. The manual extensively documents adjustment points such as shutter brakes, shutter speeds, automatic exposure control, and LCD display calibration, accompanied by sequenced adjustment procedures with specified test values and tolerances. It includes operational instructions addressing release button functionality, aperture ring operation, metering modes, and memory lock features. Technical specifications encompassing performance test values, tolerance ranges, and voltage requirements are provided throughout. This manual serves as an essential reference for professional camera service technicians and photographic equipment repair specialists requiring authoritative information on the F3 system's intricate mechanical and electronic mechanisms.
SPT - Nikon F4
Comprehensive service manual for the Nikon F4 professional camera system. This technical reference provides detailed maintenance and repair procedures for the complete apparatus. A quick reference section identifies all critical adjustment points and components including CCD position, sprocket mechanisms, finder rails, FRE stop positions, resistance values, mirror angles, AF couplers, and shutter travel specifications. The manual delivers precise adjustment procedures with exact values for curtain travel timing (2.2ms, 2.5ms, 2.9ms), flange focal distances (46.67mm ±0.02mm), and flash synchronization speeds (1/242). Step-by-step instructions address sprocket timing, finder rail positioning, AF encoder adjustments, FRE stop positions and resistance calibration, all supported by detailed diagrams and oscilloscope waveform traces. Extensive disassembly sequences cover camera covers, mirror box assembly, shutter mechanism, film advance unit, and main FPC board. Common repair procedures are thoroughly documented, including S2 gear replacement, shutter overhaul, charge motor service, and optical component maintenance. The manual incorporates troubleshooting guidance, switch testing protocols, complete technical specifications, part number references, and wiring diagrams for comprehensive system understanding and repair capability.
SPT - Nikon L135AF
Complete technical service documentation for the Nikon Nice Touch L135 AF camera. This manual provides detailed procedures for diagnosis, adjustment, and repair of this compact autofocus camera model. The document identifies critical component locations including the shutter block, AF module, viewfinder system, and film advance mechanism. It contains precise instructions for infinity focus adjustment, autofocus accuracy verification, shutter timing checks, and basic operating procedures. The manual covers major switch locations and functions (main switch, rewind-mode switch, film-detector switch, and release-lever mechanisms), specific adjustment and test values, and essential diagnostic parameters. Technical specifications include autofocus magnet release distances, sprocket timing alignment procedures, and release-lock voltage requirements. Detailed internal mechanism photographs, assembly diagrams, and technical illustrations accompany each section. Designed for qualified service technicians, this document supplies the essential information needed to diagnose, calibrate, and repair this camera model effectively.
SPT - Nikon Nikkormat EL
This issue of the SPT Journal & Service Notes (Volume 7, No. 3, May/June 1976) published by the Society of Photo-Technologists focuses on servicing and maintaining the Nikon Nikkormat EL camera body. The publication delivers essential technical information for maintenance technicians and professional camera repair specialists. The comprehensive guide covers maintenance procedures, diagnostic techniques, and detailed technical notes specific to Nikkormat EL service operations. The journal presents a Sears-Ricoh cross-reference section for camera models, training sessions and service schools scheduled throughout 1976, a first-year diary covering spring 1976, a technical review of solid-state electronic components, and electronics testing procedures (Test No. 3). It also includes a remedial reading list and an updated parts directory with specifications. This technical resource serves as an indispensable reference for any camera repair technician seeking to master the internal mechanisms and service procedures required for proper Nikkormat EL maintenance and repair.
SPT - November/December 1973
Society of Photo-Technologists publication from November/December 1973, issue 6 of volume 4. This specialized edition is dedicated entirely to the service and maintenance of the Mamiya Sekor 500TL camera. The primary article by Leland R. Bartel provides comprehensive disassembly and reassembly procedures supported by detailed technical illustrations. The document covers operational aspects of this single-lens reflex camera with interchangeable lenses, equipped with an integrated CdS light metering system. Beyond the main article, the issue includes self-teaching materials for Mamiya 500 and 100 models, reader correspondence, chapter news, JCIA bulletin, professional announcements, and specialized advertising. A detailed annotated diagram of the camera body's bottom surface identifies key mechanical components essential for photo technicians. Troubleshooting procedures address common issues encountered with this model, particularly exposure meter switch malfunctions and battery contact problems. An authoritative technical publication for photography industry professionals seeking reliable service information and repair guidance.
SPT - November/December 1984
Official publication of the International Society of Photo-Technologists (SPT) commemorating its 25th anniversary. This double issue contains detailed technical articles and service notes covering multiple professional photographic devices. The document features comprehensive coverage of the Canon T-50, including adjustment procedures, technical specifications and detailed electronic circuit schematics. Additional articles address other significant models such as the Nikon FE 2, Nikon MD-12 Motor Drive, Vivitar XV-1 and Yashica FX-3. Each technical article provides precise information on adjustments, test values, component locations and operating instructions. The publication includes internal mechanism photographs, schematic diagrams and troubleshooting guidelines. Intended for professional photography technicians, specialized repair personnel and photography technology enthusiasts, this special edition documents the state-of-the-art in repair and maintenance of photographic equipment from the 1980s. The issue is structured with service technical pages accompanied by detailed illustrations and precise adjustment value tables for practical field reference.
SPT - Olympus OM2
Complete technical documentation for the maintenance, adjustment, and repair of the Olympus OM-2 camera and related models (OM-1, OM-10). This guide provides comprehensive procedures for technicians and analog photography enthusiasts seeking professional-level service information. The manual begins with detailed adjustment location diagrams identifying all service points including meter, shutter overcharge, motor switch, 1/100 second speed, automatic shutter speed, manual shutter speed, constant current, and curtain position. Each adjustment location is precisely labeled with corresponding values and specifications for reference. The adjustment sequence section provides methodical step-by-step guidance through critical calibrations: curtain-travel time measurement (32mm distance), flange-focal distance (46.2mm), ASA resistor plate alignment, motor-drive switch configuration, and manual shutter speed calibration. A comprehensive disassembly sequence details every stage from top cover removal through mirror box separation, with precise instructions for accessing internal components. The troubleshooting section addresses frequent operational issues including mirror elevation problems, battery drain, double wind strokes, and shutter release mechanisms, each with systematic diagnostic approaches. Specialized procedures cover electromagnet testing, main switch inspection without disassembly, and transport ratchet validation. Reassembly highlights ensure proper component orientation and functional verification. High-definition photographs accompany all critical procedures, providing clear component identification and precise manipulation guidance for field or bench service work.
SPT - Pentax Auto 110
Comprehensive technical manual for the Pentax Auto 110 camera, covering disassembly procedures, adjustment protocols, and maintenance operations. The guide details access to major camera mechanisms including the upper block, shutter assembly, mirror mechanism, and viewfinder system. Provides precise adjustment procedures for critical components such as auto exposure control for both low and high light conditions, viewfinder focus calibration, parallax correction, and wind switch settings. Features flange-focal distance specifications (26.90 + 0.04mm) and test parameters for exposure adjustments across different film sensitivities (ASA 80 and ASA 320). The manual outlines operational procedures for shutter blades, mirror charge system, and actuation levers. Includes technical data on shutter travel restrictions, film advance cam positions, and electrical contact testing. Detailed technical illustrations display internal assemblies, viewfinder mechanisms, and critical measurement points, with precise component identification and adjustment location markers throughout.
SPT - Pentax ProgramPlus
Complete service manual for the Pentax Program Plus camera, covering Silimar Super Program models. This technical document features detailed internal architecture illustrations with labeled components including the diaphragm control block, shutter mechanism, printed circuit board assembly, and control elements. The manual outlines critical adjustment procedures essential for camera operation, such as auto-exposure settings, aperture control voltage calibration, LCD alignment, mirror angle positioning, and shutter curtain travel timing. It provides precise reference values including flash sync speed, AV resistor specifications, and battery voltage thresholds for functional testing. Operating instructions cover program mode functionality, manual shutter speed settings, self-timer delay features, and dedicated flash operation. A significant section addresses identification and adjustment of essential switches, including winding switch contact clearance, shutter release lever positioning, and wind-completion switch settings. The document includes comprehensive disassembly highlights with detailed sequences for accessing internal components, specifications for two CA S76 batteries, and diagrams illustrating the optical and mechanical system configuration. The basic circuit operation section explains integrated circuit functions, memory circuits for aperture and shutter control, optical encoder signals, and the timing sequence for mirror release and diaphragm closure.
SPT - PetriColor35
Specialized technical manual by James Todd Amos for the Society of Photo-Technologists (SPT), providing comprehensive service information for the Petri Color 35 camera. This detailed guide includes pre-disassembly inspection procedures for the black standard model serial number 580344, with precise measurements of shutter speeds and flash synchronization specifications. The manual presents complete operational theory covering the film transport mechanism and wind lever-actuated shutter system. Detailed sections address the safety ratchet assembly, tooth plate screw, and drive gear components with annotated photographs of key assemblies. The document thoroughly explains the exposure meter safety switch operation, helical focusing mount function, and battery replacement procedures for compatible types (HC, National M-1C, Mallory RM 675, Toshiba TH-KC). Published January-February 1972, this manual serves as an essential reference for technicians engaged in restoration and repair work on classic film cameras, offering both theoretical understanding and practical servicing guidance.
SPT - September/October 1975
SPT magazine issue. Complete issue covering camera repair techniques, service procedures and technical articles for professional camera repairers.
SPT - September/October 1984
Quarterly technical publication from the SPT (Society of Photo Technicians) featuring comprehensive service documentation for professional photographic equipment. This September-October 1984 issue presents detailed technical articles prepared covering four major photographic systems. The publication opens with an extensive analysis of the Canon AE Finder FN, detailing adjustment locations (meter rotational position, scale mirror stop, aperture and shutter calibration), complete disassembly sequences, and critical reassembly highlights. Following this is comprehensive coverage of the Canon F-1 (new model), addressing similar models, battery specifications, and precise adjustment locations for AV gain, meter rotational position, speed-indicator disc, and other essential parameters. Articles feature high-quality technical illustrations, disassembly photographs, component diagrams, and functional schematics. Each section provides step-by-step procedures for maintenance and service of Hasselblad and Canon equipment, accompanied by precise adjustment values and specific technical reference points. The publication also includes advertising rates and contact information for specialized technical services. Content is technical in nature, designed for professional technicians and service specialists working with mid-range professional camera systems.
SPT - Vivitar Series1 35 85mm f28 VariFocal guide
Comprehensive technical guide for maintenance and repair of the Vivitar Series 1 35-85mm f/2.8 Varifocal zoom lens. This document provides detailed procedures for essential optical and mechanical adjustments to ensure optimal lens performance. Primary sections include adjustment locations for spacers and optical elements, with precise instructions for 85mm and 35mm focus adjustment, field curvature correction, centering, and diaphragm aperture sizing. The guide outlines adjustment procedures for focus ring operation, zoom ring brake application, diaphragm aperture rotation, and helicoid timing specifications. Disassembly highlights present step-by-step removal procedures accompanied by annotated photographs showing helicoid assembly and internal components. A dedicated section addresses frequently repaired areas, including helicoid impact damage and guide screw or roller shear failures. Practical troubleshooting tips are provided for repairs performed without complete disassembly. Technical drawings and detailed illustrations clarify specific adjustment procedures and component relationships, making this guide essential for technicians servicing this lens model.
SPT - Vivitar Series1 70 210 Guide
Comprehensive technical guide for maintenance, adjustment, and repair of the Vivitar Series 1 Macro Zoom 70-210 lens. This manual outlines essential adjustment positions and calibration values, including focus settings at 70 mm and 210 mm focal lengths, minimum aperture sizing, and alternative aperture configurations. Detailed procedures cover cleaning and lubrication sequences for the focus assembly and lens groups, with secure disassembly protocols for optical components. Instructions provide access methods to the diaphragm system, zoom mechanism, and focus components. A dedicated section addresses helicoid disassembly, complete with specific alignment reference points and thread positioning markers. The guide includes troubleshooting advice for common issues without requiring full lens disassembly, plus identification of frequently damaged areas such as the zoom lens barrel and impact-related damage. Important precautions address seized threaded parts and variations between early and recent model styles, enabling effective repairs while maintaining the lens's optical integrity and centering specifications.
SPT - Yashica FR1 FR2
Comprehensive service and repair manual for Yashica FRI and FRII 35mm cameras. This technical guide provides detailed maintenance procedures, adjustment specifications, and troubleshooting methods for these automated focal-plane shutter models. The manual documents battery voltage reference points (2.75V), manual shutter speed adjustments (1/30 and 1/1000), release magnet configurations, and curtain spring positioning. Key sections include technical specifications, sequential adjustment procedures for proper exposure control, and step-by-step disassembly and reassembly instructions for the mirror-box and shutter mechanisms. Detailed pictorial representations of the flex circuit and switch position diagrams (SW1 through SW9) clarify the function of each control element. The guide features a comprehensive troubleshooting chart addressing common symptoms including shutter release failures, self-timer malfunctions, and magnet contact problems. Specific adjustment values and resistance specifications are provided throughout to support both preventive maintenance and corrective repairs. The manual also includes reassembly highlights and component identification for proper camera operation and timing synchronization.