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2026

60 posts from 2026.

From the bench ·

Mamiya 7 50mm Lens: Disassembly Tips to Avoid Damage

I’ve seen several Mamiya 6/7 lenses damaged a bit from repair attempts. These are not the ideal lenses to begin repair work on if you don’t have…

Mamiya 7 · Mamiya 6 · Lenses

From the bench ·

Mamiya 7II: Loose Cable Release Socket Repair

If you have a Mamiya 7II and use a cable release this might be a handy post to read in order to keep it running for a long time. This Mamiya 7II came into…

Mamiya 7 · Electronics

From the bench ·

Mamiya 7 80mm Lens: Removing a Dented Filter Ring

One of the regular tasks that I do here in the shop is removing dents from the front filter rings on lenses. Not an exciting job but often very necessary…

Mamiya 7 · Lenses

From the bench ·

Mamiya 7 Lenses Adapted for Arca Swiss Pico Digital Camera

The three mint condition Mamiya 7 lenses shown here in the photo will probably never again be mounted on a Mamiya 7 body. These 43mm, 80mm and 150mm lenses…

Mamiya 7 · Mamiya 6 · 645 · 645AF

From the bench ·

RZ67: Winding System Failures and Choosing a Body by Date Code

The RZ67 is probably, after the Mamiya 6/7, the most popular model that I see here in the shop. It is also the most common model to suffer from some fatal…

Mamiya 6 · RB67 · RZ67 · Winding & transport

From the bench ·

Mamiya 7/7II: Rangefinder Calibration and Adjusting Screw Damage

One of the most common services that I provide is rangefinder calibration on the Mamiya 7/7II. While it may seem like a simple process, the details can go…

Mamiya 7 · Mamiya 6 · Rangefinder · Calibration

From the bench ·

Mamiya 7II: No Power Caused by Energizer A544 Battery

This post is for users of Mamiya 7II cameras. The Mamiya 7II that was on my bench today had an issue that had me a bit perplexed. Complaint was that there…

Mamiya 7 · Electronics

From the bench ·

RZ67: No Shutter Cocking from Broken Cocking Shaft Assembly

Failure of RZ67 models comes in one of two flavors: 1.) electrical or 2.) mechanical. First order of business is to determine which and easiest way is to…

RZ67 · Winding & transport · Buying advice

From the bench ·

Mamiya 7 65mm Lens: Replacing the Broken Flex Cable

Since I am servicing a Mamiya 7 65mm lens I thought that I would do my yearly post on replacing the flex cable. Common complaint with this lens is that the…

Mamiya 7 · Electronics · Lenses

From the bench ·

LA Camera Expo in Burbank: January 18 Show Table

It’s time for another camera show this weekend in Burbank, California. Seems like I will be making this a quarterly event for getting a sales table. So, if…

From the bench ·

Mamiya 645 Super: Broken Mirror Stop Jamming Shutter Curtains

This is my annual reminder to owners of Mamiya 645 Super/Pro/Pro TL cameras to check their mirror stop. If your mirror stop has not been replaced in the…

645 · Shutters · Parts

From the bench ·

Mamiya 6 75mm Lens: Unsharp Images from Loose Front Element

Sometimes the problem on a camera/lens turns out to be something different than what is first expected. In this case, my client told me that his Mamiya 6…

Mamiya 6 · Focus · Rangefinder · Lenses