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Stripping and cleaning a Meyer-Optik Gorlitz Domiplan 50mm f/2.8 M42 lens — Simon Hawketts' Photo Blog
This post describes the procedure I used to strip down and clean a Meyer-Optik Gorlitz Domiplan 50mm f/2.8 lens which had sticky aperture blades. Along with the procedure, there are plenty of photos showing the action 'as it happened'.