Mamiya 7
130 posts tagged Mamiya 7. Search within these →
Mamiya 7 43mm Lens: Shutter Blades Not Opening Fully
This Mamiya 7 43mm lens arrived with the complaint of not firing. I did get it to release, but it was erratic. And, in looking at the shutter blades, I…
Mamiya 7 65mm Lens: Shutter Not Latching, Release Magnet Cleaning
This Mamiya 7 65mm lens arrived with the symptom of a non-latching shutter. Whenever the wind lever on the camera was wound, the shutter would release on…
Mamiya 645 Super/Pro: Battery Contacts Bent by New Battery Style
Another post about new style form factors on batteries causing problems for Mamiya cameras, this time the 645 Super/Pro/ProTL. I have done several on the…
Mamiya 6: Wind Gear and Wind Shaft Problems
An issue that comes up often with the Mamiya 6 is one regarding the winding mechanism. The wind shaft and wind gear are often the fault. While some parts…
Mamiya 7 80mm Lens: Oval Lens Mount from a Drop
Sometimes, impact damage to a camera or lens may not be perceptible. In this case, this Mamiya 7 80mm lens arrived with the complaint that it did not mount…
Mamiya 6 Dichroic Frame Finder Window Upgrade
This post is on the rarest of Mamiya 6 models: the Mamiya 6 Mark II (not to be be confused with the Mamiya 6MF). As you can see in the first photo, this…
UV Filter Test: K&F Concept vs B+W
This is a tale of two filters. Both are UV filters and one is inexpensive and the other a much more costly choice. Which one will be the higher quality…
Mamiya 6/7: Removing and Replacing Broken Viewfinder Glass
This has been a week of broken viewfinder glass repairs on Mamiya 7 and Mamiya 6. Years ago when Mamiya was in business, the solution to this issue was to…
Dating Mamiya Cameras and Lenses by Two Letter Code
I commonly get asked about dating the year of production on a Mamiya camera. The date of manufacture was important for determining the status of updated…
Mamiya 7II: No Flash Sync from Broken Shoe Safety Switch Pin
This Mamiya 7II arrived with a complaint of no flash sync. Looking under the flash shoe after removing the flash shoe spring, I could see that the safety…
Mamiya 7 80mm Lens: Rangefinder Cam Far Out of Spec
The complaint on this Mamiya 7 w/80mm lens body/lens combination is that the images are not sharp. But, the rangefinder lined up perfectly. A quick exam…
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…
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 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…
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…
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…
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…
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…