View Full Version : Help on lens wrench dimensions
I'm designing a lens wrench that I intend to share in the DIY section. I need your help though to get the right dimensions for the different Compur shutter flanges (No.0, No.1, etc...)
I tried to find online a table with these dimensions, but I didn't see any. Any help is greatly appreciated.
Emmanuel BIGLER
7-Jan-2019, 16:21
Hi!
Please find attached a table with some dimensions for retaining rings for various shutter sizes: 00, 0, 1, 2, 3s, 3.
To expand on Dr. Bigler's info...
My Linos/Rodenstock lens wrench measures 1.0mm thick hardened steel.
It supposedly works for various sizes of Copal, Compur, and Prontor shutters.
- Leigh
Edit: Correction courtesy of Bob Salomon.
Bob Salomon
7-Jan-2019, 17:46
To expand on Dr. Bigler's info...
My Linos/Rodenstock lens wrench measures 1.0mm thick hardened steel.
It supposedly works for various sizes of Rodenstock, Compur, and Prontor shutters.
- Leigh
No, Rodenstock makes the eShutter, which was made many years after the wrench was released, and is a 0 size.
The wrench fits COPAL, Compur and Prontor 0, 1 and 3 size shutters.
The wrench fits COPAL, Compur and Prontor 0, 1 and 3 size shutters.
I mis-spoke. I meant Copal rather than Rodenstock. Brain fade. I edited the previous post.
Thanks, Bob.
- Leigh
Paul Ron
8-Jan-2019, 12:20
get an adjustable spanner wrench. they are fairly cheap. it will fit anything you have.
one source is MicroTools... google them
get an adjustable spanner wrench. they are fairly cheap. it will fit anything you have.
one source is MicroTools... google them
A good idea. That’s the style of lens wrench I’m using for my lens repair jobs. Great in a seasoned hand, disaster waiting to happen otherwise.
But I have a small CNC router gathering dust so I figured to do something about that.
Bob Salomon
8-Jan-2019, 19:57
A good idea. That’s the style of lens wrench I’m using for my lens repair jobs. Great in a seasoned hand, disaster waiting to happen otherwise.
But I have a small CNC router gathering dust so I figured to do something about that.
Why not just pick up a Linos/Rodenstock wrench? They work well and don’t wear out!
Keith Pitman
8-Jan-2019, 20:09
Agree. Why waste time making something you can buy inexpensively.
Why not just pick up a Linos/Rodenstock wrench? They work well and don’t wear out!
Hi!
Please find attached a table with some dimensions for retaining rings for various shutter sizes: 00, 0, 1, 2, 3s, 3.
Thank you! This works. It’s not mentioning specifically the retainer key pitch but since I have the thread dimensions now, I can work it out from ASME or ISO standards.
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It’s not mentioning specifically the retainer key pitch but since I have the thread dimensions now, I can work it out from ASME or ISO standards.
What's the "retainer key pitch", and why do you need it?
None of the wrenches I've used over the last 50+ years have any threaded feature related to the shutter threads. A few of them have a pivot with a lateral screw to set the separation of the ends, but that's all.
- Leigh
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