cavision gear rings for EF-S 17-55mm f/2.8 IS at DVinfo.net

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Canon EOS Crop Sensor for HD
APS-C sensor cameras including the 80D, 70D, 7D Mk. II, 7D, EOS M and Rebel models for HD video recording.


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Old December 8th, 2009, 04:38 PM   #1
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cavision gear rings for EF-S 17-55mm f/2.8 IS

Does anyone have the measurement around the focus ring of the EF-S 17-55mm f/2.8 IS? I want to purchase the cavision gear ring for this lens since I'll be renting it and eventually buying it, but don't know the focus ring measurement. Thanks!
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Old December 8th, 2009, 04:44 PM   #2
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245mm around and about a 80mm diameter.
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Old December 8th, 2009, 04:47 PM   #3
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Thanks, Nigel! Do you own it? How's it been for you on the 7d?
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Old December 8th, 2009, 05:06 PM   #4
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Yes. I wanted one lens for documentary (film) content and this works well. I do often find myself wanting to use something longer but not at the expense of the wides. If you are handheld and zoomed in the IS makes a difference.

I use the RedRock lens gears and they work well.

Stuff shot with this lens only with the Fader ND here - http://vimeo.com/user712613/albums
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Old December 8th, 2009, 05:10 PM   #5
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Are you using the gears with another brand of focus pull or are you using the redrock focus pull too?
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Old December 8th, 2009, 05:13 PM   #6
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I'm using the Micro Follow Focus v2 and really like it. I tried a few out and for the money this is a solid piece of kit which feels like it will be around for many years. I am hard on my equipment.
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Old December 10th, 2009, 05:35 AM   #7
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In case anyone finds this thread in a search for what Cavision focus gear ring to use with the Canon EF-S 17-55mm f/2.8 IS USM Zoom Lens, it's the RFGR80 ring.
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Old December 11th, 2009, 06:20 AM   #8
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In addition to the 17-55, I also have a :
Tokina 11-16 f2.8
Canon 70-200 f2.8 is
Canon 50mm f 1.44
Canon 18-1354 kit lens

Anyone know their sizes or redrock part number for these?

I bought 6 lens gears from them when I firsrt ghot my Letus Extreme, and have been very happy with them. Not cheap, though.
Thanks
Bruce Yarock
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