RB67
77 posts tagged RB67. Search within these →

RB67 140mm Macro C: Collided Blades in the 870 Shutter
Servicing a Mamiya 140mm f/4.5 Macro C lens for RB67. The problem with this lens was that the shutter blades collided and are ruined. The second photo…

RB67 350mm f/5.6 APO K/L: Inconsistent Slow Shutter Speeds
Servicing a Mamiya RB67 350mm f/5.6 APO K/L lens. No too common of a lens, image quality and lens glass build is outstanding. This particular example had…

RB67 Not Economically Repairable: Worn Winding and Bellows
A certain percentage of the cameras that come into my shop, I deem not economically repairable. While Mamiya cameras were made for heavy duty professional…

RB67 Pro: Installing New Aftermarket Bellows
Installing new bellows on an RB67 Pro. Replacing bellows was an easier operation when Mamiya still sold repair parts as they supplied the bellows attached…

RB67 65mm Floating Element Lens: Replacing With an 871 Shutter
Servicing a Mamiya 65mm RB lens. This is a later floating element model. The shutter came into the shop locked up. A quick look at the shutter blades as…

RB67 140mm f/4.5 Macro: Locating Pin Replacement and Fungus
Servicing a Mamiya 140mm f/4.5 Macro lens for RB67. Replacing a damaged lens locating pin, removing and cleaning lens lock ring and cleaning fungus from…

RB67 127mm Lens: Delayed Shutter Release From Dried Lubrication
Servicing a 127mm Mamiya RB67 lens. Symptom was that there is a delay in the shutter release after the mirror goes up in the body. This is always caused by…

RB67 90mm f/3.8 Lens: 791 vs 653 Shutter Differences
Servicing a Mamiya 90mm f/3.8 lens for RB67. Mamiya made three different generations of shutters for the RB lenses. The last two are the most common that 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…

RB67 90mm K/L Lens: Floating Elements and Spacing Adjustment
Mamiya RB67 90mm K/L lens repair and info. First, some information on these lenses regarding a question that I am frequently asked: All the Mamiya RB67…

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…

RB67 Lens: Fitting a Newer Shutter with External Sync Terminal
Mamiya RB67 lens replacement of shutter. I am getting ready to replace an old style RB shutter (circa 1972) with a newer designed shutter. The new shutters…

RB67 65mm Lens: Checking for Oil on the Shutter Blades
Mamiya RB67 65mm Lens. This lens arrived for service and the first thing I do when checking leaf shutter lenses such as the RB series, is examine the…

RZ67: Light Trap Not Closing Properly
Mamiya RZ67 Repair. This RZ67 came into the shop with a light trap that would not close properly. To service the light trap, lots of disassembly needed on…

RB67 65mm Lens Variations: Single Coated, NB and C
Mamiya RB67 65mm Lens Variations. Although there were five different styles of RB67 65mm lenses (not counting the k/l version), these three variations…

RB67 Lens: Removing a Filter Ring Dent
Removing a dent from a Mamiya RB67 lens. The first photo shows the dent at around the 4.5 marking and the last photo shows the lens ready to accept a…

RB67 with Lizard Skin Covering and Gold Plated Parts
Interesting RB67 variant. Mamiya made this model with lizard skin covering and gold plated parts. A bit flashy for my taste but I suppose it does appeal to…

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…

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…

RB67 Pro S: Lens Stuck on Body After Impact Damage
This RB67 Pro S came into the shop with the complaint that the lens could not be removed. Body and lens working fine, but the lens lock ring would not…

Mamiya Production Date Codes: How to Date a Camera or Lens
Mamiya Production Date Codes. I am often asked about how to date a Mamiya camera or lens. Long post but here is the info from my website: Mamiya used a…

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 Service Manuals for Every Product Since 1960
Service manuals for every Mamiya photographic product made since 1960.

RB67 Seiko Shutter: Disassembly for Oil Contamination Cleaning
Mamiya RB67 Seiko shutter disassembled for oil contamination cleaning.