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2022
81 posts from 2022.

RB67 65mm Early Lens (1971): Oil on Shutter Blades
Servicing a Mamiya RB67 65mm lens. This early example is from 1971 (Type LH61 made from 1970-1972). For the first five years of production the 65mm had a…

Early Mamiyaflex TLR: Fungus and Mold From Storage in a Case
This early model Mamiya TLR (when they were still branding them as Mamiyaflex) came in for a checkup. It has probably been in this leather case for many…

Mamiya 7 43mm Lens: Shutter Not Cocking From Water Damage
Mamiya 7 43mm lens on the bench. This particular example had a mechanical issue with the shutter not cocking. After some external observations and minor…

Brooks Plaubel Veriwide 100: Synchro Compur 00 Shutter Cleaning
I'm thinning out my large collection of cameras and this Brooks Plaubel Veriwide 100 is one that probably needs to go to a new home. As you can see in the…

Mamiya 645 80mm f/1.9 N: Wrong Lubricant on Focus Helicoid
This Mamiya 645 lens, 80mm f/1.9 N, came into the shop with a focus that was very tight and grinding. Seemed to have no lubrication on the focus helical…

Mamiya SF 150mm RB Lens: Drilled Name Ring and Parts Donor
This Mamiya SF 150mm RB lens came to me with a name ring pre-drilled and a filter ring with some subtle dents. These are not too important flaws in this…

Mamiya 7 80mm Lens: Drying Out Moisture Inside the Lens
This Mamiya 7 80mm lens was subjected to moisture. Fortunately, no damage to the shutter. After removing the lens group and some disassembly and cleaning…

Mamiya 7 80mm Lens: Water-Damaged Shutter Not Opening
This Mamiya 7 80mm lens came into the shop with a complaint that the shutter was not opening. After some disassembly, the shutter looked fairly clean…

Mamiya 645 Super/Pro/ProTL: Damage From a Broken Mirror Stop
I have done a few posts about the Mamiya 645 Super/Pro/ProTL mirror stop replacement but feel the need to post again as I have been seeing many of these…
Mamiya C TLR Lens: Two Shutter Checks You Can Do
Here are a couple of ways to check if your Mamiya C TLR lens needs service: 1.) In the first video, the shutter is released while the cocking lever is held…

Mamiya 80mm C Lens: Replacing the Seiko 0 Speeds Escapement
Servicing a Mamiya 80mm C lens. This lens had several issues, main one being that the shutter was not working properly at the slow speeds. Usually…

RB67 250mm Lens: Impact, Separation and Fungus
This Mamiya RB67 250mm lens wins the weekly trifecta for issues: 1.) impact damage 2.) separation in the element group 3.) lots of fungus. Looks like this…

Mamiya 645 Pro: Checking Bayonet Flatness After Impact
This Mamiya 645 Pro came into the shop with what I suspect might have been some impact damage. In cases like this, I carefully inspect the camera for…

Nikon 50mm f/1.8 Series E: Insect Shells Inside the Lens
Servicing a Nikon 50mm f/1.8 Series E lens. This lens was in exceptional condition except for one issue: there was a small family of three insects living…

Mamiya 7II: Replacing the Cable Release Socket
Replacing the cable release socket on a Mamiya7II. Mamiya made a major change in the cable release socket from the model 7 to the model 7II. On the Mamiya…

Mamiya 645 80mm f/2.8: Oily Diaphragm and Loose Focus
This 80mm f/2.8 lens for the Mamiya 645 wins the prize for most oil on lens diaphragms this week. Also, the focus was very loose and uneven. For the lens…

Mamiya 6: Loose Wind Lever and Glue Residue
Servicing a Mamiya 6 and lenses. There were a few issues to deal with, most obvious was the wind lever that was loose. After removing the rubber covering…
A Fascinating Custom Camera
A quick look at a fascinating custom camera. Still don’t know what to call it.
Recommended Book for Camera Collectors
For anyone just starting out in camera collecting or learning about photography, this book is a great start.

RZ67: Wind Lever Locked After Electronic Release
Working on an RZ67 with a release issue. Actually, in this case, the issue was that the shutter would release electronically, but the wind lever would…

Mamiya 645 80mm f/1.9: Lens Out of Focus Tolerance
This Mamiya 645 w/80mm f/1.9 lens came into the shop with a complaint of poor focus. In checking the lens, I found it to be plus 0.16mm out of tolerance as…

Focus Fixtures for Adjusting Mamiya Lens Infinity
My once a year dusting of focus fixtures. The tools are used to adjust focus on Mamiya medium format and 35mm lenses. Each fixture has a small mirror at…

Flange-to-Film Distance Fixtures for Mamiya Cameras
Still doing spring cleaning at the shop and thought this would be a good time to show some of the fixtures used for Mamiya flange to film distance and…

Mamiya 645 PRO Mirror Stop: Pitfalls of 3D Printed Replacements
While replacing the mirror stop in this Mamiya 645 PRO, I feel it is time to talk about this procedure again. By now, many have decided to replace the…