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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 April 3rd, 2014, 12:01 PM   #1
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Join Date: Dec 2004
Location: LA CA
Posts: 316
Powered zoom ?

Has anyone out there managed to make or buy an attachment similar to the Fifty Dollar Follow Focus - but powered and varispeed?

I use Magic Lantern on my Rebel T3i and there is an option to use the + and - controls to zoom, but it has a hard start and end ... and the zoom is effected by reducing the area used on the sensor, not by operaing the zoom within the lens itself.

Any ideas?

Many thanks,

Harry Bromley-Davenport is offline   Reply With Quote
Old April 10th, 2014, 11:06 AM   #2
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Join Date: Nov 2013
Location: DC
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Re: Powered zoom ?

The closest out-of-the-box product I know of is the Kessler Cinedrive FIZ motor, but that's part of a motion control system. CineDrive F.I.Z. Motor

I've had this article bookmarked for a long time: Adapting Servo Zoom Lenses for Smooth-Zooming DSLR Production, Part 1 - Streaming Media Producer

I have an old Fujinon servo zoom lens that I've been meaning to try out with my 70D. Now that the 70D has autofocus pretty much locked down, a decent servo zoom is the only thing I really miss when I use a DSLR.
Nick Piegari is offline   Reply With Quote
Old June 14th, 2014, 07:42 AM   #3
Join Date: Jun 2002
Location: Vancouver, British Columbia
Posts: 8,254
Re: Powered zoom ?

Jag35 makes a wireless follow focus with 2 channels than can also drive a zoom ring. You should be able to find it on their site. Not sure if that's what you're looking for but it'll get you close. Forget the price but $1300ish. I think they have a wired version for 1/3rd that price.
Need to rent camera gear in Vancouver BC?
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