645
63 posts tagged 645. Search within these →
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 645 Super/Pro/Pro TL: Mirror Stop Replacement and Calibration
This is another post on the Mamiya 645 Super/Pro/Pro TL mirror stop repair. I get these cameras in constantly so need to regularly post this info for new…
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 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 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 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…
Mamiya 645 80mm f/2.8: Sticking Diaphragm from Oily Blades
This Mamiya 80mm f/2.8 lens arrived with a sticking diaphragm. As seen in the photos, lots of oil present on the diaphragm blades. And, a lot of grease on…
LA Camera Expo in Burbank: October 12 Show Table
In the years before the pandemic in what seems like another life I would set up a table at a camera show in Pasadena, California every month. After decades…
Mamiya 645 80mm f/1.9: Focus Helicals Separated, Over-Lubrication
Another Mamiya 80mm f/1.9 645 lens that has come apart from the focus helicals. This is quite common as the grease sublimates and causes the focus to…
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 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 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 645 80mm f/1.9: Cine Conversion Warnings
Cine converting Mamiya 645 lenses is very popular these days. As a minimum, they are de-clicked and a focus gear is installed. Here is a warning with these…
645 Super vs Pro: Buying Advice and a Bad DIY Mirror Stop
If you are looking to purchase a 645 Super/Pro/Pro TL, I’d recommend not getting a Super. While these models all look pretty similar externally (and…
Mamiya 645 AF Series: Repair Fixtures and Why to Avoid Buying
This post is about a Mamiya camera that I generally don’t recommend purchasing these days: the Mamiya 645 AF series. Great camera when it works but it has…
Mamiya 645 80mm f/1.9: Lens Separated into Two Pieces
This lens, a Mamiya 80mm f/1.9 for the Mamiya 645 series, came into the shop in two pieces as shown in the second photo. This is not unusual for this lens…
Mamiya 645 PRO: Three Symptoms of a Broken Mirror Stop
I have three Mamiya 645 PRO models on the bench today with the same issue, a common broken mirror stop. But each one showed up with different symptoms. I…
645 PRO: Broken Mirror Stop and a Screw Jamming the Winder
A Mamiya 645 PRO came into the shop with the typical broken mirror stop. Also, the camera was jammed and would not wind or release. Seeing the broken stop…
Mamiya 645 Super: Shutter Removal and a Damaged Curtain
A little technical info on the Mamiya 645 Super. Photo one shows how the shutter unit is removed from the back of the body. This particular shutter had…
RB67 C Lens: PC Flash Terminal Plastic Liner Problems
I'm doing a replacement of a PC terminal today on a Mamiya RB67 C lens and thought that I would pass along some little known info. Initially, Mamiya added…
Mamiya 645 80mm f/1.9 Cine Lens: Loose Focus Ring Setscrews
This Mamiya 80mm f/1.9 cinema modified lens came into the shop with a loose focus ring. Not an uncommon issue with this lens as the focus ring is held to…
Mamiya 645 110mm f/2.8: Removing Moly Paste from the Focus Helicoid
Servicing a Mamiya 110mm f/2.8 lens for 645. Lens came in with focus rough and erratic. On disassembly, the focus helix was found to be lubricated with a…
645 Pro: Intake Testing of Shutter Speeds
When a camera comes into the shop I like to do a function test on intake to get an idea of its health. This 645 Pro is shown having shutter speeds checked…
Mamiya 645 80mm f/1.9: Sand in the Focus Helicoid
The 80mm f/1.9 lens for Mamiya 645 came into the shop with a complaint of possible sand damage. The focus ring turned smoothly but every once in a while…