Arca-Swiss Foot..

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Woody Meristem said:
Apparently there are no universal standards for the dovetail on the ARCA-Swiss plate. I have several plates as well as one on my Olympus 100-400mm's foot, each manufacturer's dovetail is slightly different. Although that's not a problem with knob-tightening mounts, it's a bit of a problem when you have a lever release.
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You're correct, there doesn't seem to be a standard size for the Arca-Swiss plate. I use the RRS BH-55 head with lever release (which doesn't allow any adjustments). I have used Kirk plates with it, but they're slightly wider, but still work. I purchased a Sigma 70-200 which comes with an Arca-Swiss foot, but it was way too small to use with my head. I could literally slide the lens from the head with the lever closed down! NOT GOOD! If I remember correctly, RRS plates are 31mm wide, so are Leofoto, so they work perfectly with RRS (and are much less expensive). If you use a knob closure, all is cool regardless of the plate width, but be careful if you use a lever release.
 
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Woody Meristem said:
Apparently there are no universal standards for the dovetail on the ARCA-Swiss plate. I have several plates as well as one on my Olympus 100-400mm's foot, each manufacturer's dovetail is slightly different. Although that's not a problem with knob-tightening mounts, it's a bit of a problem when you have a lever release.
Click to expand...
There's an archived blog post by Jobu warning that ArcaSwiss is not a standard, although Jobu stated they follow a loosely associated N American consortium who maintain the specifications of the RRS A-S plate dimensions.

My relatively affordable solution pairs an adjustable Leofoto LR-70 lever-release clamp with a long Sirui lens plate

Lever-Release Clamps - Leofoto

Lever-Release Clamps - Leofoto was founded at the beginning of 2014. It is located in Zhongshan, beautiful Pearl River Delta area in China. Leofoto team has been designing and manufacturing series of camera support systems by comparing and studying the high-end photographic accessories made in...
www.leofoto.com

Why Arca Swiss?

I currently have one manfrotto "heavy" and a carbon travel tripod along with a monopod that I purchased some time ago. I rarely use the heavy tripod and each of them have a single column in the middle. I keep a Manfrotto style plate on the camera but don't keep them on my lenses. I am...
bcgforums.com bcgforums.com
 
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Here's a screenshot of the "lost" article

Jobu ARCA Swiss is not a standard 2014.jpeg
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