RB67
77 posts tagged RB67. Search within these →
Marshal Press 6x9: Rangefinder Adjustment and History
This camera being serviced is a bit unusual: a Marshal Press 6x9. While not that hard to find in Japan, there was no U.S. importer and possibly none in…
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 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…
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…
RB67 37mm Fish Eye: Replacing a Butchered Locking Ring
This Mamiya RB67 37mm Fish Eye lens gets my vote for "Most Butchered Repair of the Week". My client purchased this lens knowing that the locking ring 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…
RB67: Aftermarket Bellows Blocking Infinity Focus, 127mm K/L Haze
This Mamiya RB67 arrived with a complaint of focus error. While I did not see a focus error, I did notice that the bellows had been replaced and while the…
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…
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…
RB67 Power Backs: Motorized Back Versions Explained
I get a regular stream of questions regarding the motorized backs for the RB67. So, here is the breakdown: Mamiya initially introduced the 120/220 power…
RB67 C Lens: Flash Sync Socket Replacement
The most common solution when an RB67 C lens will not fire the flash is a sync socket replacement. In this case, I replaced the socket, the socket holder…
Packing Cameras for Shipping: RB67 and RZ67 Damage Examples
I get a lot of cameras shipped to me via USPS, FedEx and UPS. Most make the trip safely. But this month I have received several packages that were badly…
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 SF 150mm RB Lens: Drilled Name Ring and Parts Donor
This Mamiya SF 150mm RB lens came to me with a name ring pre-drilled and a filter ring with some subtle dents. These are not too important flaws in this…
RB67 250mm Lens: Impact, Separation and Fungus
This Mamiya RB67 250mm lens wins the weekly trifecta for issues: 1.) impact damage 2.) separation in the element group 3.) lots of fungus. Looks like this…
RZ67 vs RZ67II: Two-Piece Winding Shaft Differences
This is a brief discussion about what I consider an important difference between the RZ67 and RZ67II in terms of build. The RZ67, unlike the RB67, had a…
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…
RB67 Pro Back: Counter Failure From a Loose Gear Plate Stud
This Mamiya RB67 Pro back came into the shop with complaint of the counter not working, so the film would just wind through without stopping. When I…
RB67 vs RZ67: Build Quality and Parts Availability
I am often asked about quality of the RB67 vs RZ67. I initially wrote a detailed response but could not post here on IG due to length. Here is a synopsis…
RB67 140mm Macro Lens: Severe Fungus on Most Elements
This is a post about lens fungus. I am servicing a Mamiya 140mm Macro lens that has a very bad case of fungus on almost every lens element. Photo two is…
Mamiya 90mm f/3.8 (1973): Excess Moly Lube in the Shutter
Servicing an early version of the Mamiya 90mm f/3.8 lens (1973). Shutter was sticking (delayed release) and needed disassembly and cleaning off of…
RB67 37mm Fisheye: Mounting Problem and Delayed Shutter Release
Servicing a not too common lens for the Mamiya RB67 - the 37mm Fisheye, the widest lens made for that system. This example would be one of the earlier…
RB67 90mm f/3.8 Early Version: Delayed Shutter Opening
Servicing a Mamiya 90mm f/3.8 lens for RB67. This is an early version (July 1973) with the sync terminal permanently attached to the housing as seen in…