Light seals
12 posts tagged Light seals. Search within these →
RB67 Film Backs: Light Leaks and the Dark Slide Light Trap
Seems like everyday I get multiple questions regarding light leaks on Mamiya RB67 film backs. I am making this post so that I can direct inquiries…
New Old Stock RB67: Disintegrated Light Seals and Dark Slide Seal
Sometimes, getting a new old stock camera in the original box is not ideal. This RB67 and back arrived looking like new, perhaps unused or very lightly…
RB67 Revolving Backs: Four Versions and Common Issues
I am servicing Mamiya RB67 revolving backs today. Photo one shows all fours versions that are found in the wild these days: 1.) 1971 original style without…
Mamiya C330 Pro F: Focus Screen Foam and Light Seals
This Mamiya C330 Pro F came into the shop with a focus complaint. In many of these cases, the issue is with the foam on the focus screen becoming…
RB67 Pro S: Locked Wind Lever from Crumbled Seal and Spring
This Mamiya RB67 PRO S came into the shop locked up. The wind lever would not move. When removing one of the side covers, I found the situation as seen in…
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 645: Sticking Film Counter and Light Seal Replacement
Fixing the typical issues with the Mamiya 645: sticking film counter and replacing light seals. A sticking film counter will not always go back to zero and…
RZ67 6x6 120/220 Back: Light Leaks and Overlapping Frames
Servicing a Mamiya RZ67 6x6 120/220 back. Not too common of a back for the RZ67. Complaint here was of light leaks and overlapping frames. Removing the top…
Canon FX: Full Service and Prism Replacement
Canon FX repair service. This model, circa 1965, is not as common as the later FT series, uses the FL lenses and does not have through the lens metering…
Mamiya RB67: Light Trap Stuck Halfway After a Fall
This Mamiya RB67 had impact damage. I was told it fell in a sand dune, but fortunately, I noticed no sand damage. The light trap was only going up halfway…
Mamiya RB67: Replacing Light Seals
Replacing light Seals on Mamiya RB67. There are quite a few light seals on the Mamiya RB67- the film back alone has ten seals with five different lengths…
Mamiya 645 Pro: Finding a Tiny Light Leak with a Pico-Ammeter
This Mamiya 645 PRO came into the shop with a difficult to locate light leak. I first checked body for impact damage suspecting that the back was not…