Rolleiflex SL35 Photometer Repair and Calibration Guide
by ROLLEIComprehensive technical documentation for repairing and calibrating the exposure meter of the Rolleiflex SL35 camera. This detailed guide covers the Wheatstone bridge circuit design, photoresistor replacement procedures, and complete calibration methodology. The manual includes circuit schematics, component specifications for both original and revised meter variants, and practical troubleshooting techniques. Detailed explanations of the three-range potentiometer system (RI, RII, RIII) and their adjustment procedures are provided. The documentation addresses photoresistor degradation issues common in aging SL35 cameras, discussing both gold-cased and silver-cased CdS cell variants. Includes photographs of internal assemblies, measurement procedures using reference light sources, and critical precautions for viewfinder and diffusing screen protection. This restoration guide is essential for technicians and experienced camera enthusiasts seeking to restore meter functionality in classic Rolleiflex SL35 cameras.
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Document Details
- Format
- Pages
- 10
- Size
- 923.8 KB
- Category
- Photography