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From the bench
Real repairs, start to finish.

Hasselblad 500C: Installing a Beattie Brightscreen
Installing a Beattie Brightscreen in an early (1963) Hasselblad 500C. From 1957-1969, the Hasselblad focus screen assembly consisted of eight separate…

Mamiya RB67: Replacing Light Seals
Replacing light Seals on Mamiya RB67. There are quite a few light seals on the Mamiya RB67- the film back alone has ten seals with five different lengths…

Mamiya 645 1000S: Calibrating Shutter Speeds on a Modified FL-400
Calibrating shutter speeds on the Mamiya 645 1000s. Since the first generation of Mamiya 645 models do not have removable backs, I use a dedicated shutter…

Canon AE-1 Program: Seized Mirror Retarding Gears
This Canon AE-1 Program was locked up, no mirror release. After mirror box removal, I found that the mirror retarding gears and flywheel were seized (you…

RZ67 110mm f/2.8 Lens: Restaking a Broken Cocking Ring Pin
This Mamiya RZ67 110mm f/2.8 lens came into the shop locked up tight. Upon disassembly, I found that the locking pin for the rear cocking ring had broken…

Canon AE-1 Program: Bent Rewind Shaft and Cracked Bushing
This AE-1 Program came into the shop for a routine check/cleaning and I noticed that the rewind shaft was slightly bent. More than just a cosmetic issue as…

Mamiya C 80mm f/3.7 Lens: Replacing a Missing Sync Contact Assembly
This Mamiya 80mm f/3.7 lens came into the shop for routine shutter cleaning and I was advised that the customer had attempted a repair. What I was not told…

RZ67: Testing the Internal Switches
The Mamiya RZ67 models are complex electro mechanical cameras that really benefit from having the proper test equipment for troubleshooting. There are nine…

Mamiya 645 Super: Setting Mirror Angle After Stop Replacement
A broken mirror stop is a common repair on the Mamiya 645 Super, Pro and Pro TL. After replacing the stop, the mirror needs to be set to a 45 degree angle…

Mamiya 645 Pro: Finding a Tiny Light Leak with a Pico-Ammeter
This Mamiya 645 PRO came into the shop with a difficult to locate light leak. I first checked body for impact damage suspecting that the back was not…

Mamiya 7: Winding Mechanism Repair, Broken Spring
Mamiya 7 winding mechanism repair. Third photo shows details of broken spring that needed replacing.

Mamiya 80mm C Lens: Adjusting Focus with Autocollimator and Shims
After replacing a set of elements on an 80mm Mamiya C lens, an autocollimator and a special fixture is used to check and adjust focus using shims from…

Mamiya 55mm C Lens on the Bench
Servicing a Mamiya 55mm C lens.

Mamiya 645 Pro TL: Checking Curtain Travel Times
Checking curtain travel times on a Mamiya 645 Pro TL with a Kyoritsu EF-511NK tester.

Mamiya Service Manuals for Every Product Since 1960
Service manuals for every Mamiya photographic product made since 1960.

RB67 Seiko Shutter: Disassembly for Oil Contamination Cleaning
Mamiya RB67 Seiko shutter disassembled for oil contamination cleaning.

RB67 Shutter: Flash Sync Repair with a Kyoritsu IE-2A Tester
Using a Kyoritsu IE-2A tester on a Mamiya RB67 shutter flash sync repair.

RB67 Shutters Removed for Parts
Removed RB67 shutters now used for parts.

RZ67 Pro II: Repairing the Release Mechanism
Repairing release mechanism on Mamiya RZ67 Pro II.

Hasselblad Repair Parts
Hasselblad repair parts.

RB67 Pro SD: Replacing a Worn Winding Gear
Replacing worn winding gear Mamiya RB67 Pro SD.

Mamiya 645 1000S: Calibrating Shutter Speeds
Servicing a Mamiya 645 1000s. Shutter speeds needed calibration.

RB67 and RZ67 Lenses: Checking Cocking Angle with the R-4 Gauge
This R-4 cocking gauge is used to check the cocking angle of RZ/RB lenses.

Mamiya 7 Lens: Shutter Speed and Rangefinder Checks on Fixture
A Mamiya 7 lens being checked out for shutter speeds and rangefinder calibration on a Mamiya factory test fixture.