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2026
60 posts from 2026.
LA Camera Expo in Burbank: July 12 Show Table
It’s time for another camera show this weekend in Burbank, California (I set up at this show every quarter) If you are in the Burbank area this Sunday…
Threadlocker in Camera Repair and Vibration from Air Travel
I was going to do a post on the Mamiya 7 65mm lens that I am just finishing but instead will do this post on threadlocking adhesives and vibration I have…
Ilex No. 4 Shutter: Sticking Slow Speeds from Moly Lubricant
The Ilex No. 4 shutter that arrived had slow speeds that were sticking. Usually this is a sign of dirty parts, especially the speeds escapement. In this…
Mamiya 6 75mm and 50mm Lenses: Stiff Focus from Hardened Grease
A common request that I get is for service to the Mamiya 6 75mm and 50mm lenses with stiff focus. For some reason, these two lenses are the ones that get…
Mamiya 7: No Power from Crusted Battery Contact
This Mamiya 7 arrived here with the complaint of no shutter release and no display. Basically no power. When put on the test equipment and the shutter…
Mamiya 6 50mm Lens: Stained Blades and Shutter Replacement
This Mamiya 6 50mm lens arrived in the shop with an inoperative shutter. An exam of the lens showed that the shutter blades and diaphragm blades had stains…
RB67 Film Backs: Light Leaks and the Dark Slide Light Trap
Seems like everyday I get multiple questions regarding light leaks on Mamiya RB67 film backs. I am making this post so that I can direct inquiries…
Mamiya 7: Cracked Top Cover and Windows, Kenco Filter Test
Two items that win in the weekly catagories for 1.) most damaged camera and 2.) poorest quality filter. The Mamiya 7 in the first photo not only had a…
RB67: Removing a Broken Cable Release Tip from the Socket
A quick post to show the solution to something that I see often on cameras that have threaded cable release sockets (which is most of them). This RB67 came…
Mamiya 7: Light Leaks from Loose Film Spool Fit
Something that comes up from time to time is light leaks on Mamiya 7 bodies. Since Mamiya did not use conventional foam light seals on the Mamiya 7, worn…
Mamiya 7II: Replacing a Broken Double Exposure Switch
A common issue that I see is a broken Double Exposure slide switch on the Mamiya 7II. The camera presents as either in photo two with it totally missing or…
Mamiya 7: Wind Locked by Fallen Self Timer LED Cover
Some repairs require a lot of troubleshooting/disassembly to properly diagnose what the issue could be and the repair itself may be trivial. Other problems…
Mamiya 7II: Rangefinder Replacement After Failed Calibration
This Mamiya 7II arrived for a repair to the cable release socket initially. As part of the repair process, the complete camera gets evaluated and I found…
RB67 Lenses: Testing for Delayed Firing and Oily Shutter Blades
get a lot of email and messages on my website regarding repair of RB67 lenses. Not surprising since the RB has been around since 1970 and there is a large…
Mamiya 7/7II: Broken Self Timer Button Warning
Although I have done several posts on this issue, here is another one because I feel it is important for keeping your Mamiya 7/7II out of the repair shop…
New Old Stock RB67: Disintegrated Light Seals and Dark Slide Seal
Sometimes, getting a new old stock camera in the original box is not ideal. This RB67 and back arrived looking like new, perhaps unused or very lightly…
RB67 50mm Lens: Lockup from Damaged Rear Shutter Housing
A Mamiya 50mm RB67 lens came into the shop and the complaint was that the lens was causing the camera to lock up. While this is often an issue with dried…
Mamiya 6: Top Cover Replaced with Mamiya 6 MF Part
This Mamiya 6 arrived in the shop with a badly damaged top cover as seen in photo two. My client also supplied a new old stock replacement top cover that…
Mamiya 6/7: Using a Torque Wrench on the Wind Lever Screw
The use of a torque wrench in camera repair is probably not that common and I actually don’t use one outside of a certain task: Attaching the wind lever…
RZ67 Pro II: Rough Focus from Broken Fine Focus Gear
Complaint on this Mamiya RZII was rough focus. In almost all cases, this is caused by a damaged fine focus gear. On removing the right side cover, the…
LA Camera Expo in Burbank: April 12 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. If you…
Mamiya 7 80mm Lens: Unsharp Images, Cam and Focus Calibration
My client sent in his Mamiya 7 and 80mm lens complaining of images that did not have optimum sharpness. On checking the camera rangefinder, I found it to…
Mamiya 6: Frame Lines Stuck from Oil on Frame Line Assembly
The complaint on this Mamiya 6 was that the framelines would not work properly and were always stuck on the 150mm lens setting. Without removing the top…
Mamiya 7II: Energizer A544 Battery Warning, Part 2
I did a post on this issue a little while back but feel that I need to do this again and in more detail as it is causing issues for Mamiya 7II owners…