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2024
52 posts from 2024.
Mamiya 6: Cutting Replacement Rangefinder Windows
Getting ready for Mamiya 6 rangefinder window replacements this week. I generally cut a small quantity of them for preparation of these repairs. For some…
Mamiya 7: Rangefinder Calibration Views and When to Calibrate
I had a number of questions, both posted here and in direct contact with me regarding my last post of rangefinder calibration on the Mamiya 7. So, I have…
Mamiya 7: Rangefinder Calibration Setup with One Meter Target
I am often asked about rangefinder calibrations on the Mamiya 7 and it is the most common service that I do on these cameras. The Mamiya 7 has three points…
Repair Queue for Mamiya 6/7 Cameras and Lenses
Most of my clients are patient with the time it takes to service their camera. This photo is of my current queue for Mamiya 6/7 cameras and lenses (this…
Mamiya 7 Lens Checkout: Rangefinder Cam, Flex Cable and Filter Tests
Probably the most commonly done service here in the shop is rangefinder check/adjust on Mamiya 7 cameras and lenses. This outfit came in with complaints of…
RB67 65mm C Lens: Sticking Shutter Blades and Oil Contamination
This RB67 65mm C lens (floating element version) came into the shop with sticking shutter blades. While the effect may seem subtle at first, usually the…
Mamiya 7II: Rangefinder and Frame Line Calibration
This very clean Mamiya 7II came into the shop with rangefinder and frame line issues. The frame lines where not calibrated and during disassembly I found…
Mamiya C 80mm Lens: Shutter Lubrication, Less Is More
While servicing this Mamiya C 80mm lens I thought I would do a post on shutter lubrication although this would apply to most lubrication matters in camera…
Mamiya 7 vs Mamiya Universal: Rangefinder Systems Compared
This is a comparison of a Mamiya 7 and a Mamiya Universal. More specifically, I will compare the rangefinder systems. If you are shopping for a Mamiya…
Mamiya 6 with 50mm Lens for Sale
This post is a little different than normal. Does not happen often but I have a Mamiya 6 for sale. It has the 50mm lens and overall the camera and lens…
Mamiya 7 65mm Lens: Sticking Shutter Blades from Residue
This Mamiya 7 65mm lens had an issue with sticking shutter blades. While this is often caused by oil contamination on the blades, this would not be common…
Mamiya 645 Pro: Mirror Stop Spring Stuck in the Shutter Curtains
Another post on mirror stops in the Mamiya 645 Super/Pro/Pro TL. The complaint with this camera was that the shutter was working erratically. Probably 90%…
Mamiya 7 150mm Lens: Replacing a Bent Filter Ring
This 150mm Mamiya 7 lens was attached to a Mamiya 7II and it took a fall. Fortunately, the lens filter ring absorbed most of the energy and the camera and…
RZ67: Stuck Lens and Locked Wind from a Broken Cocking Coupler
This Mamiya RZ67 arrived with a stuck lens on the body and the wind lever locked. With a mechanical like this, the issue is often a damaged lens cocking…
Mamiya 645 80mm f/1.9: Stiff Focus and Focus Ring Setscrews
This has been a week of servicing Mamiya 645 80mm f/1.9 lenses. Most common issue is stiff focus and this is caused by dried or sublimated focus helical…
Mamiya 6/7 Rangefinder Calibration: Lenses vs Bodies
The most common issue that I get contacted about is rangefinder calibration on the Mamiya 6/7. And, often the conversation is: “I just purchased a new lens…
Mamiya 7II: Cracked Double Exposure Lever
The Mamiya 7II has two issues with parts on the top cover that can cause problems with the camera. The first, a broken self timer button, I have covered in…
Mamiya 6: Power Switch Not Turning Off After a Previous Repair
This Mamiya 6 had the complaint of the power switch not turning off. Not a common issue so the top cover needed to be removed to investigate The problem…
Mamiya 7II: Glued Wind Lever Cover Loosening the Screw
This Mamiya 7II arrived needing some minor service, mostly a rangefinder calibration. My client mentioned that the rubber cover over the wind lever was…
Mamiya 7 80mm Lens: Bent Filter Ring and Sand in the Focus Helicoid
This Mamiya 7 80mm lens came into the shop with a badly damaged front filter ring and stuck focus. Not only was the filter ring deeply bent, but the name…
Mamiya C TLR: Missed Frames from Oily Shutter Blades
common complaint that I hear about is missing frames when using a Mamiya C series TLR camera. Generally, this is caused by sticking shutter blades. The…
Pentax 6x7 55mm: Removing a Dented Filter
A common issue is impact damage to the front of a lens filter ring. When the filter is damaged it will be out of round and often will not unscrew from the…
Mamiya 6 vs Mamiya 7: Light Meter Photocell Location
Recently a question came up about the meter systems on the Mamiya 7/7II versus the Mamiya 6. Since I am servicing one of each today, this might be a good…
Rodenstock Imagon 300mm: Cleaning a Dial Set Compound Shutter
This 300mm Rodenstock Imagon lens needed a minor cleaning to restore operation as it has been in storage for around thirty years unused. This lens with its…