Shutters
92 posts tagged Shutters. 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…
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 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 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…
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 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 6: Wrong Shutter Speeds from Spring Lodged in Speed Selector
This Mamiya 6 arrived with a common issue, a broken viewfinder window. But, it also had a problem that I have never seen before, which was various shutter…
Mamiya C 80mm Chrome Lens: Oil in Shutter, Worn Speeds Escapement
This 80mm chrome C lens came into the shop with a complaint of slow speeds sticking. My client said that he had taken the lens to a repair shop and they…
RB67 127mm C Lens: Delayed Shutter Release from Dried Lubrication
This Mamiya 127mm RB67 C lens arrived in the shop with a very common issue that I find in the Seiko shutters used in the early RB67 lenses, the TLR C…
Nikkor 300mm f/5.6 Copal 3 Shutter: Oil-Soaked Blades
This Nikkor 300 f/5.6 lens in a Copal 3 shutter arrived with a ridiculous amount of oil on all of the shutter parts. The shutter would not even fire as the…
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 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 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 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…
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…
Mamiya 7 65mm Lens: Flex Cable, Cold Shutter Delay, Focus Issues
This Mamiya 7 65mm lens came into the shop with a few issues: Broken flex cable (very common) Delayed shutter release Focus issues The broken flex cable is…
RB67 Lenses on RZ67: Why Use Post-1978 791 Shutter Lenses
I often receive questions regarding the use of Mamiya RB67 lenses on RZ67 bodies. Hopefully this post will answer these questions. While you can certainly…
RB67 Lens Shutters: 653 vs 791 and Plastic in K/L Lenses
get a lot of questions regarding the use of plastics in RB K/L shutters. Usually, it is someone deciding on making a purchase. Keep in mind that Mamiya…
RB67 90mm NB Lens: Delayed Shutter Firing
This Mamiya RB67 90mm lens came into the shop with the very common issue of a delay firing of the shutter after being released. This normally entails…
Mamiya 7 65mm Lens: Shutter Magnet Not Holding
The Mamiya 6/7 lenses are fairly robust but lately I have been seeing a lot of them for service. Maybe age is catching up with them. This 65mm lens came…
Mamiya 6 50mm Lens: Bent Cocking Shaft and Shutter Replacement
This Mamiya 6 50mm lens would not release the shutter blades. After disassembly, I found that the cocking shaft in the shutter was binding, slightly bent…
Mamiya C 105mm DS Lens: Slow Speeds and Shutter Release Delay
This lens arrived with typical slow speed issues and shutter release delay. What is interesting is that this lens is the 105mm DS version of the lens for…