Shutters
92 posts tagged Shutters. Search within these →
Mamiya Shift L 75mm f/4.5 for RB67: Shutter Not Operating
This is a report on the repair of a fairly uncommon lens: Mamiya Shift L 75mm f/4.5 S/L to fit Mamiya RB67. Lens was recently purchased and I believe the…
Mamiya 7 43mm, 65mm, 150mm, 210mm: Locking Shutters Open
This service involves modification of four Mamiya 7 lenses: 43mm, 65mm, 150mm and 210mm). My client requires that these lenses have the shutter blades…
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 Lenses on RZ67: Cocking Torque of C vs K/L Lenses
Mamiya made it so that the RB lenses would work (in full mechanical mode) on the RZ bodies. However, there is a caveat: Mamiya recommended that RB lenses…
Mamiya TLR Lenses: Slow and Sticking Shutter Release
The Mamiya TLR and Press lenses often have an issue of slow/sticking shutter release. This is caused by several parts that need to be removed and cleaned…
Mamiya 6/7 and RZ67: Why There Are No In-Between Shutter Speeds
I've been asked why some cameras will not produce an in-between shutter speed on the shutter dial. While mechanically controlled shutters have their own…
RB67 Lenses: Overexposure from Slow Closing Shutter Blades
I constantly see RB67 lenses with this complaint: overexposure in bright light. In almost every case, this is caused by the shutter blades not closing down…
RB67 90mm Lens: Replacing a Missing Index Stop
This Mamiya RB67 90mm came into the shop with a complaint that it would not lock on the body. A quick inspection showed that the rear lens index stop was…
Mamiya 6 50mm Lens: Full Open Shutter Modification
This Mamiya 6 50mm lens is in the shop for modification to full open shutter. I have clients who need this mod to be able to use the lenses (Mamiya 6/7) on…
Mamiya Press 50mm f/6.3: Dented Rear Rim and Stuck Seikosha-S Shutter
This 50mm f/6.3 Mamiya Press Lens arrived in the shop with a couple of issues: the rear element group had a very severe ding on the edge. And the shutter…
RZ67 110mm Lens: Broken Diaphragm Pin and Shutter Replacement
This Mamiya RZ67 110mm lens came into the shop with a diaphragm that did not work. The issue was straightforward, the pin on the diaphragm control ring had…
Mamiya 7 65mm Lens: Damaged Shutter Blades on a Loose Pivot
This Mamiya 7 65mm lens came into the shop with an erratic shutter. Sometimes it would not open or open partially. Looking at the second photo shows one of…
Mamiya 7 65mm Lens: Full Open Shutter Modification
Modifying a Mamiya 7 65mm lens for full open shutter operation. Since the Mamiya 6/7 lenses have shutters that stay closed normally, they can't be used…
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…
RB67 65mm Early Lens (1971): Oil on Shutter Blades
Servicing a Mamiya RB67 65mm lens. This early example is from 1971 (Type LH61 made from 1970-1972). For the first five years of production the 65mm had a…
Mamiya 7 43mm Lens: Shutter Not Cocking From Water Damage
Mamiya 7 43mm lens on the bench. This particular example had a mechanical issue with the shutter not cocking. After some external observations and minor…
Brooks Plaubel Veriwide 100: Synchro Compur 00 Shutter Cleaning
I'm thinning out my large collection of cameras and this Brooks Plaubel Veriwide 100 is one that probably needs to go to a new home. As you can see in the…
Mamiya 7 80mm Lens: Water-Damaged Shutter Not Opening
This Mamiya 7 80mm lens came into the shop with a complaint that the shutter was not opening. After some disassembly, the shutter looked fairly clean…
Mamiya C TLR Lens: Two Shutter Checks You Can Do
Here are a couple of ways to check if your Mamiya C TLR lens needs service: 1.) In the first video, the shutter is released while the cocking lever is held…
Mamiya 80mm C Lens: Replacing the Seiko 0 Speeds Escapement
Servicing a Mamiya 80mm C lens. This lens had several issues, main one being that the shutter was not working properly at the slow speeds. Usually…
Mamiya Press 100mm f/3.5: Sticking Shutter Cocking Ring
This Mamiya 100mm f/3.5 lens being serviced is for the Press/Universal line of cameras. Typical issue of sticking shutter cocking ring. On opening the…
Fuji GS645S Wide: Broken Plastic Part in Shutter Cocking
This is a post about plastics. Plastics in camera construction. I am servicing a Fuji GS645S Wide W. Great camera, I have been repairing them since the…
RB67 180mm Early Lens (1974): Slow Shutter Release
This early version of a Mamiya RB67 180mm lens (1974) is being repaired for the typical slow/delayed shutter release. These need disassembly and removal of…
Ilex Acme Synchro 3 Shutter: Black Face and Flash Sync Delays
Servicing an Ilex Acme Synchro 3 shutter. I don't see many of these with the black face as this one has. The Acme Synchro shutter was the top of the line…