Designed for all large format lenses and shutters, this catLABS Spanner Wrench is used to tighten and loosen retaining rings and is compatible with #01, #1, and #3 shutter sizes.
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Key Features
- Shutter Sizes: #01, #1 & #3
Designed for all large format lenses and shutters, this catLABS Spanner Wrench is used to tighten and loosen retaining rings and is compatible with #01, #1, and #3 shutter sizes.
CatLABS CLWS Overview
CatLABS CLWS Specs
Packaging Info
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| Box Dimensions (LxWxH) |
CatLABS CLWS Reviews
Works as described
By Steven
Rated 5 out of 5
Date: 2025-02-10
Works just as well as the more expensive Rodenstock branded version of the same design. Much more useful than the Toyo lens wrench which does not work with larger #3 shutters. Unless you're sure you'll never need to install a larger shutter, the few bucks more for this version will save you money in the long run.
Awesome quality lens spanner wrench.
By Jay
Rated 5 out of 5
Date: 2023-01-12
I have to say I was very surprised at the quality. This is a top notch and I would say absolutely essential for large format lens mounting. This wrench is going in my 4x5 field kit.
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Is this spanner to be used for tightening the ...
Is this spanner to be used for tightening the shutter ring before screwing in the rear element of the lens?
Yes, this Catlabs Large Format Lens Shutter Spanner Wrench can be used to tighten the shutter ring before screwing in the rear element of a large format lens.
Date published: 2022-03-23