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2022

81 posts from 2022.

From the bench ·

Mamiya 7 150mm Lens: Calibrating the Rangefinder Cam

Servicing a Mamiya 150mm lens for the Mamiya 7. After checking focus on the lens, next stop is checking rangefinder cam movement. Until the rangefinder cam…

Mamiya 7 · Rangefinder · Calibration

From the bench ·

Mamiya 7: Bent Rangefinder After an Impact

I did not repair this Mamiya 7. It came in with the complaint that the frame finder marks were not correct for the attached lens and that the rangefinder…

Mamiya 7 · Rangefinder · Viewfinders & meters

From the bench ·

RZ67 Early 1982 Body: Mechanical Release Failure

Servicing a Mamiya RZ67 for a release issue. When these do not allow mechanical release, the problem is quite often an issue with the body not fully…

RZ67 · Winding & transport · Buying advice

From the bench ·

Mamiya 7 80mm Lenses: Separation and Fungus in the Rear Group

I have had two Mamiya 7 80mm lenses in for service this week and was unable to fully resolve the issues with them. Reason: separation and fungus on the…

Mamiya 7 · Fungus · Lenses

From the bench ·

Mamiya 6: Replacing Broken Viewfinder Glass

Servicing a Mamiya 6 with a broken viewfinder glass. For some reason, I see more Mamiya 6 cameras with broken finder glass than Mamiya 7. No idea why…

Mamiya 7 · Mamiya 6 · Viewfinders & meters · Rangefinder

From the bench ·

Mamiya C220 After a Fall: Finder Glass and Filter Ring Repair

This Mamiya C220 had a rough time recently . It was sent to me by @sirjakethomas and he told me that during his recent London trip, it had a bit of a fall…

C Series TLR · Viewfinders & meters · Lenses

From the bench ·

Mamiya 7 and Mamiya 6 Repair Tools

I'm doing some spring cleaning/reorganization so thought it might be a good time to show some of the Mamiya 7 repair tools that I use (all of the items in…

Mamiya 7 · Mamiya 6 · Tools · Calibration

From the bench ·

Mamiya 645 1000S: Corroded Battery Compartment and Broken Latch

This 645 1000s came into the shop for the typical slow film counter return and shutter calibration (I have documented the counter return issue on a…

645 · Electronics · Parts

From the bench ·

Fuji GS645W and GS645S Wide 60: Similarities and Differences

Servicing two Fuji 645 rangefinder cameras today that share some body traits. This gives me a chance to show some of the similarities and differences…

645 · Rangefinder

From the bench ·

Mamiya 7 vs 7II: Four Frame Finder Versions Compared

While doing some service on Mamiya7 bodies today I thought it would be a good time to document the differences on the various versions. While officially…

Mamiya 7 · Viewfinders & meters · Buying advice

From the bench ·

Mamiya Press 100mm f/3.5: Sticking Shutter Cocking Ring

This Mamiya 100mm f/3.5 lens being serviced is for the Press/Universal line of cameras. Typical issue of sticking shutter cocking ring. On opening the…

Universal Press · Shutters · Cleaning

From the bench ·

Mamiya 7 Lenses: Evaluation Process and Testing Steps

These Mamiya 7 lenses were sent in for evaluation and here is the process that I do with these lenses: 1.) external observation for impact damage or other…

Mamiya 7 · Testing · Lenses

From the bench ·

A Friend's Camera Collection Arrives at the Shop

I recently acquired this collection of cameras from a good friend of mine. It was his collection of many years and although there are some common cameras…

C Series TLR · Nikon · Canon

From the bench ·

Mamiya 7 80mm Lens: Cleaning Concentric Rings of Fungus

This Mamiya 7 80mm lens had concentric rings of fungus. Kind of disappointing fungus, as least for photographic purposes as they were not really…

Mamiya 7 · Fungus · Cleaning

From the bench ·

Fuji GS645S Wide: Broken Plastic Part in Shutter Cocking

This is a post about plastics. Plastics in camera construction. I am servicing a Fuji GS645S Wide W. Great camera, I have been repairing them since the…

Shutters · Parts

From the bench ·

RZ67 vs RZ67II: Two-Piece Winding Shaft Differences

This is a brief discussion about what I consider an important difference between the RZ67 and RZ67II in terms of build. The RZ67, unlike the RB67, had a…

RB67 · RZ67 · Winding & transport · Buying advice

From the bench ·

RB67 180mm Early Lens (1974): Slow Shutter Release

This early version of a Mamiya RB67 180mm lens (1974) is being repaired for the typical slow/delayed shutter release. These need disassembly and removal of…

RB67 · Shutters · Cleaning

From the bench ·

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 · Film backs · Winding & transport

From the bench ·

RB67 vs RZ67: Build Quality and Parts Availability

I am often asked about quality of the RB67 vs RZ67. I initially wrote a detailed response but could not post here on IG due to length. Here is a synopsis…

RB67 · RZ67 · Buying advice · Parts

From the bench ·

RZ67 Outfit With Water Damage: Donated for Parts

This RZ67 outfit came into the shop recently and, as you can see, has obvious water damage. All of the equipment is full of fungus/mold/rust. No repair…

RZ67 · Fungus · Parts

From the bench ·

Nikon Microscope Camera With a Canon Stepper Motor

The first photo is of a Nikon microscope camera that I was in the process of modifying to accept my Nikon mirrorless camera. I was surprised to see that…

Nikon · Canon

From the bench ·

Mamiya 7 150mm Lens: Finding Fungus Behind the Closed Shutter

Another fungus post. This 150mm Mamiya 7 lens came into the shop for a rangefinder check. While the rangefinder checked OK, I did notice fungus on inner…

Mamiya 7 · Fungus · Cleaning

From the bench ·

Mamiya 55mm f/4.5 TLR Lens: Removing Filter Thread Dents

Removing dents from the taking and viewing lenses on a Mamiya 55mm f/4.5 lens for TLR. Fortunately, the owner of this lens was wise and did not take a…

C Series TLR · Lenses

From the bench ·

Mamiya 645 80mm f/2.8 N: Loose Focus Ring and Slow Diaphragm

Servicing an 80mm f/2.8 N Mamiya 645 lens. This lens came into the shop with the complaint of a loose focus ring. A straightforward repair where some…

645 · Focus · Lenses · Cleaning