GOSSEN - Service Manuals
10 manuals available for download
GOSSEN is a trusted manufacturer of precision light measurement instruments and exposure meters designed for professional photography. Our comprehensive collection of service manuals, repair guides, and user manuals provides photographers and technicians with the technical documentation needed to maintain, troubleshoot, and optimize their equipment. Whether you're seeking an owner's manual for operation, a workshop manual for maintenance procedures, or detailed parts lists and calibration guides, our PDF downloads offer accessible resources for both routine care and complex repairs of classic and contemporary GOSSEN meters.
GOSSEN - Ajusting Gossen Lunasix
Comprehensive service manual for adjusting and maintaining the Gossen Lunasix exposure meter. This workshop guide explains all five accessible tuning points on the Lunasix, a precision light meter trusted by professional photographers for its dependable accuracy in the field. The manual covers complete disassembly procedures, including safe removal of the meter's top housing and careful access to the internal circuit board. You'll find detailed operation notes on the dual-range circuit design (high and low range) with its two potentiometers and three variable resistors. Calibration procedures include battery circuit testing through variable resistor R1, low-range correction using Lo 1 and Lo 2 adjustments to fix reading linearity across the scale, and high-range tuning via Hi 1 and Hi 2 for consistent accuracy at both ends of the measurement scale. Electrical schematics show current flow paths, contact points, and ground return routing so you understand exactly what each adjustment affects. The guide also presents a streamlined method for regular users who want to document and maintain personal reference schematics specific to their own meter. Throughout, the manual stresses using fresh batteries during all adjustment work and provides step-by-step instructions for each tuning procedure, ensuring precision in your adjustments and preventing unwanted drift in either operating range.
GOSSEN - gossen lunasix 3 Notice FR
Complete user manual for the Gossen Lunasix 3, a professional exposure meter from Gossen's acclaimed line of precision metering instruments. This comprehensive guide covers all features and operation of this modular meter, essential for photographers and cinematographers who need accurate light measurement across any lighting scenario. The manual provides detailed identification of all instrument components—reading scale, needle indicator, shutter speed settings, aperture values, and cinema frame rate calibrations—along with clear explanations of DIN degree gradations, exposure indices, and specialized index circles for different measurement field applications. A dedicated section covers battery installation, housing, and verification procedures using test strips to confirm proper meter function. A calibration reference table in lux and foot-candles is provided for quick technical lookup. The document is organized into four main sections: condensed user guide (pages 2-7), practical measure and reflect technique (pages 8-17), detailed technical supplement (pages 18-25), and comprehensive explanation of the Lunasix 3 system architecture (pages 26-28). This manual is essential for mastering this precision instrument, recognized for delivering accurate and reliable measurements under all lighting conditions, from low moonlight to bright sunlight.
GOSSEN - Gossen Lunasix Repair Article
Comprehensive technical repair manual for the Gossen Lunasix 3 (S) light meter, a classic exposure measurement instrument. This workshop guide walks you through complete disassembly, internal cleaning, and full servicing procedures. You'll find detailed sections on cleaning the friction discs that control the self-rotating ISO scale mechanism, with step-by-step grease replacement using Molykote 44. The manual includes extensive photographic documentation of all three Lunasix 3 (S) variants, showing their respective weights (190g, 180g, 170g) and displaying every internal component fully dismounted. A major section addresses calibration and recalibration, featuring resistance tables, response curves, potentiometer identification charts, and circuit diagrams so you can verify and adjust the meter's accuracy. Calibration procedures are explained in detail using the Gossen Sixtomat Digital as a reference instrument, with practical guidance on achieving optimal measurement accuracy during adjustment. The manual covers important considerations including proper use of natural light sources during calibration, methodology for adjusting offset and slope parameters across both low and high measurement ranges, battery conversion notes, and housing closure requirements during potentiometer work.
Gossen Lunalite Exposure Meter - Instruction Manual
Complete instruction manual for the Gossen Lunalite exposure meter, a precision handheld light meter designed for photographers working in studio and field conditions. Covers all essential operating procedures including film speed setting, battery replacement, and both standard and extended measurement modes. Details how to modify exposure values, interpret the meter's dual scales, and perform accurate reflected and incident light readings. Instructions for all optional measurement attachments are included: the measuring probe for close-range work, TELE adapter for telephoto lens measurements, MICRO for macro photography, LAB for laboratory setups, and REPRO for copy and reproduction work. Features technical specifications, comparative light intensity reference tables for common shooting scenarios, and systematic troubleshooting guidance to resolve any metering issues. This manual serves as the definitive reference for proper meter operation and maintenance.
Gossen Lunasix 3 Calibration Guide
Comprehensive calibration and restoration manual for the Gossen Lunasix 3 light meter, an essential reference for owners of this precision portable exposure meter from the early 1970s. This workshop guide directly addresses the practical challenge that has confronted many users: mercury batteries are now obsolete and legally unavailable, making modern silver oxide cells the only viable replacement. The manual walks through adapting the Lunasix 3 to function reliably with 1.55V silver oxide batteries, including the diode modification needed to optimize voltage output and protect the meter's passive measuring circuit. Detailed disassembly instructions specify the tools required and safe procedures for accessing the battery compartment and handling delicate internal components without causing damage. The calibration section presents two proven methods: direct calibration using an adjustable light box with known output values, and indirect calibration based on the light-dependent resistor sensor's inherent response characteristics. You'll find precise documentation of the meter's output ranges, EV value mappings across both low and high brightness scales, and the step-by-step iterative process for adjusting compensation potentiometers to achieve accuracy across the full dynamic range. The guide also explains the mechanics of the 6-stop neutral density filter system and includes practical workarounds for achieving consistent results without access to specialized laboratory equipment. Whether performing a complete restoration or fine-tuning an existing unit, this repair manual provides the technical depth needed for successful calibration work.
Gossen Lunasix F User Manual
User manual for the Gossen Lunasix F exposure meter, a professional-grade incident and reflected light meter widely used in studio and field photography. This guide covers initial setup including film speed selection, zero point calibration, battery installation and testing, and comprehensive operation of both continuous and flash measurement modes. Details exposure correction factors, proper use of all meter scales and selector controls, and practical techniques for accurate light metering in varied shooting conditions. Essential reference for photographers working with manual exposure control and those maintaining or troubleshooting this classic meter.
Gossen Sixtar Light Meter - User Manual
Operating instructions for the Gossen Sixtar light meter, a precision instrument for incident and reflected light measurement in professional photography. Covers film sensitivity settings across standard speed ranges, measurement techniques for both reflected and incident light, exposure value scales for quick reference during shooting, zero adjustment procedures, battery specifications (Mallory PX 13), and calibration guidelines for maintaining measurement accuracy. Includes technical specifications and detailed precision measurement procedures essential for consistent metering results.
Gossen Sixtomat Digital - User Manual
User manual for the Gossen Sixtomat Digital light meter, an essential reference for photographers and cinematographers using this precision exposure measurement instrument. Covers display layout and control functions, operation including film sensitivity (ISO) adjustment, comprehensive measurement modes for both incident and reflected light, aperture-priority and shutter-speed-priority metering workflows, illumination index calculations, cinema frame rate settings, correction value application, and complete technical specifications. Provides detailed guidance on navigating the meter's features for accurate exposure control across still photography and motion picture work.
Labosix 2000 and 2000 S User Manual
Operating manual for the Gossen Labosix 2000 and 2000 S laboratory exposure control instruments. This workshop manual provides complete setup and operational guidance for darkroom professionals working with enlargers and printing systems. Covers equipment assembly and connection, LED display brightness adjustment for various lighting conditions, darkroom lighting configuration, exposure time adjustment and memory storage functions, determination of optimal exposure duration for consistent print quality, index determination procedures, exposure time measurement and data retention, Schwarzschild compensation for precise reciprocity correction, paper gradation selection and optimization, and density measurement techniques. Includes detailed setup instructions, step-by-step operational procedures, and complete technical specifications for both standard and S model variants. Essential reference for darkroom technicians performing maintenance, calibration, and troubleshooting of exposure metering and timing equipment.
Starlite All-in-One Light Meter User Manual
User manual for the Gossen Starlite light meter, an all-in-one exposure measurement tool for photographers and cinematographers. Provides comprehensive guidance on setup, power supply management, and interpreting the meter's display readouts. Explains operation of all control buttons and selector dial for accessing incident light, reflected light, continuous light measurement, and flash metering modes. Details the measurement of exposure values, contrast ratios, and ISO sensitivity adjustments. Includes specific instructions for deploying optional diffuser attachments to modify measurement characteristics. Contains complete technical specifications including ISO and ISO2 sensitivity ratings, EV measurement ranges, and f-stop value calibrations. This manual serves as the authoritative reference for all metering functions and ensures accurate light reading in both studio and field conditions.