Canon Canonet 28 Leatherette Replacement Tutorial

This technical guide provides a comprehensive solution for repairing the common defect affecting the Canon Canonet 28: a non-responsive light metering cell. Developed by ALB in May 2020, the tutorial precisely identifies the root cause—oxidation of the two contact strips that power the light meter circuit when the aperture ring is set to automatic mode (A). The document details the complete camera disassembly procedure, including removal of the top plate, rewind knob, and base plate, with clear identification of specific screws and components to preserve. It covers verification methods using a tweezers to confirm the malfunction and explains the cleaning technique for contact strips using fine files or 500-grit sandpaper. Step-by-step instructions guide users through removing oxidation from the contact points until the galvanometer needle responds correctly. Also includes complete Canonet 28 specifications (shutter speed range, aperture settings, ISO sensitivity, weight) and surface cleaning guidance. Essential for film photographers seeking to restore this compact rangefinder camera to full operation.