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2022
81 posts from 2022.

Mamiya 645 1000S: Film Counter, Light Seals and Calibration
Servicing a Mamiya 645 1000s. This particular example is unusual in that it shows very little wear/use. These were professional tools in the day and often…

Mamiya 7II: Sticky Shutter Button From Spilled Liquid
Servicing a Mamiya 7II. This camera had a sticky shutter release button and I was told that a sticky liquid was spilled on the camera. After removing the…

Mamiya 6 Lens: Inspecting a Botched DIY Disassembly
I bought this Mamiya 6 lens recently knowing that it did not work so might be fixable or usable for parts. My end of the week project was to inspect the…

RZ67II: Release Failure From Broken Cocking Gear Drive Studs
Servicing an RZ67II. This camera came into the shop with a shutter release issue. Would not work in electronic or mechanical mode. This indicates to me…

RB67 140mm Macro Lens: Severe Fungus on Most Elements
This is a post about lens fungus. I am servicing a Mamiya 140mm Macro lens that has a very bad case of fungus on almost every lens element. Photo two is…

Mamiya Universal and Super 23: Rangefinder Adjustment With a Jig
When adjusting the rangefinder on the Mamiya Universal or Super 23, I always remove the complete rangefinder assembly for two reasons: 1.) this gives…

Ilex Acme Synchro 3 Shutter: Black Face and Flash Sync Delays
Servicing an Ilex Acme Synchro 3 shutter. I don't see many of these with the black face as this one has. The Acme Synchro shutter was the top of the line…

Mamiya 90mm f/3.8 (1973): Excess Moly Lube in the Shutter
Servicing an early version of the Mamiya 90mm f/3.8 lens (1973). Shutter was sticking (delayed release) and needed disassembly and cleaning off of…

RZ67II: Scraping Broken Fine Focus Gear Teeth From Main Gear
Servicing a Mamiya RZ67II body. Replacing a broken fine focus gear. When the gear teeth break, they become embedded in the metal main focus gear and often…