AGFA - Agfa Silette 1958 CLA

Comprehensive technical guide for complete camera and shutter cleaning and adjustment (CLA) of the AGFA Silette Pronto Type 4 (1958). This document presents a systematic four-part approach to camera servicing. Section A provides step-by-step disassembly instructions for the camera body to access the Pronto shutter mechanism, including removal of lens elements, focus ring, bottom plate, rewind assembly, top plate, viewfinder module, and front plate. Section B details the complete disassembly of the shutter mechanism, covering removal of the speed-control cam, escapement springs, delayed-action escapement, speeds escapement, flash contact assembly, release levers, and shutter blades. Section C focuses on cleaning procedures using isopropyl alcohol and ultrasonic cleaning for delicate escapement assemblies, followed by precise lubrication points for mechanism plates, blade-operating rings, gear pivots, and speed-control cam surfaces. Section D documents testing results using a Phochron XA shutter speed tester and includes test photographs shot with the serviced camera on Kentmere 100 film at various apertures and speeds. Over 50 high-quality annotated photographs guide each procedure, making this an essential resource for vintage camera repair technicians, horologists working with precision mechanisms, and dedicated analog camera enthusiasts undertaking professional-level restoration work.