Film backs
14 posts tagged Film backs. Search within these →
RZ67: Broken Dark Slide Safety Switch Allows Release
If your RZ67 will allow shutter release with the dark slide in place, the issue is a broken dark slide safety switch. I have done two of these switch…
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…
RB67 Power Backs: Motorized Back Versions Explained
I get a regular stream of questions regarding the motorized backs for the RB67. So, here is the breakdown: Mamiya initially introduced the 120/220 power…
RB67 Pro Back: Counter Failure From a Loose Gear Plate Stud
This Mamiya RB67 Pro back came into the shop with complaint of the counter not working, so the film would just wind through without stopping. When I…
RB67 Pro SD 120 Film Back: Broken Wind Pawl Locking the Lever
Servicing a Mamiya RB67 Pro SD 120 film back. This back came into the shop locked up, the wind lever would not move. During disassembly, I found a broken…
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…
Mamiya 6x7 120 Roll Back: Broken Wind Lever Bushing
Mamiya 120 6x7 Roll back repair. This back needed a replacement winding base plate due to a broken wind lever bushing. The number five photo shows the…
Mamiya 645 Super Film Back: Repair and Red vs Blue Dark Slides
Mamiya 645 Super film back repair and differences between the versions. I'm servicing a 645 Super film back damaged from impact. The outer film knob was…
RB67 Pro S 120 Back: Broken Release Plate Spring
Repairing a Mamiya RB67 120 ProS back. A bit of rust needed to be cleaned from some parts and the release plate spring was broken. To access the spring…
RZ67 Pro II 120 Back: Impact Damage and Dried Lubrication
Mamiya RZ67 Pro II 120 Back. Impact damage to the back and also some dried lubrication required disassembly to remove and clean the gear coupler (the part…
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…