RB67
77 posts tagged RB67. Search within these →

RB67/RZ67 Lenses: Missing Rear Elements on Online Purchases
If you are buying RB67 or RZ67 lenses, please check them out very carefully for haze,fungus,separation. Especially the three lenses mentioned and shown in…

RB67 Bellows Replacement: Original vs Aftermarket Bellows
I’m doing a bellows replacement today on an RB67 and though that I would pass along some information on the bellows that are available for replacement…

UV Filter Test: K&F Concept vs B+W
This is a tale of two filters. Both are UV filters and one is inexpensive and the other a much more costly choice. Which one will be the higher quality…

RZ67: Broken Dark Slide Safety Switch Allows Release
If your RZ67 will allow shutter release with the dark slide in place, the issue is a broken dark slide safety switch. I have done two of these switch…

RB67: Removing a Stuck Lens from the Body
I’m making this post as a further clarification for the YouTube video that we did some time ago on getting off a Mamiya RB67 lens that is stuck on a body…

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…

RZ67: Rough Winding from Worn Coupler and Sticky Governor
While I am not taking in RZ67 models right now as I work on my backlog of repairs to bring things to a manageable level, I do have some of these in the…

RB67 Film Backs: Light Leaks and the Dark Slide Light Trap
Seems like everyday I get multiple questions regarding light leaks on Mamiya RB67 film backs. I am making this post so that I can direct inquiries…

RB67: Removing a Broken Cable Release Tip from the Socket
A quick post to show the solution to something that I see often on cameras that have threaded cable release sockets (which is most of them). This RB67 came…

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…

New Old Stock RB67: Disintegrated Light Seals and Dark Slide Seal
Sometimes, getting a new old stock camera in the original box is not ideal. This RB67 and back arrived looking like new, perhaps unused or very lightly…

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…

RZ67: Winding System Failures and Choosing a Body by Date Code
The RZ67 is probably, after the Mamiya 6/7, the most popular model that I see here in the shop. It is also the most common model to suffer from some fatal…

RB67 Revolving Backs: Four Versions and Common Issues
I am servicing Mamiya RB67 revolving backs today. Photo one shows all fours versions that are found in the wild these days: 1.) 1971 original style without…

RZ67 Pro II: Bellows Replacement and Bellows Construction
The question of bellows replacement on RB67/RZ67 comes up often. In this post I will explain a little bit about the bellows construction. This RZ67II came…

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…

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…

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 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…

RZ67: Diagnosing Shutter Not Releasing, Mechanical or Electrical
A very common issue with the Mamiya RZ67 is that the shutter does not release. This is usually caused by the mirror not releasing and can be a mechanical…

RB67 Pro S: Locked Wind Lever from Crumbled Seal and Spring
This Mamiya RB67 PRO S came into the shop locked up. The wind lever would not move. When removing one of the side covers, I found the situation as seen in…

RB67 Lenses on RZ67: Lens Throat Diameter and Adapter Ring
This post is a bit of a continuation of my previous one regarding using Mamiya RB67 lenses on the RZ67. The first photo shows the RB67 Pro S body in the…

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…