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Cheap but usable motorised focal focus (not wireless)?


IronFilm

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Am looking around for a cheap but usable motorised focal focus (not wireless) to use on a CAME 7800 gimbal with Rokinon Cine DS lenses.

This one at $299 seems reasonable:
http://www.proaimshop.com/pas/PROAIM-E-Focus-DSLR-EF-DSLR-Pro-Zoom-Follow-Focus-Control-and-Battery.html

Another one I've seen mentioned a few times is this one:
http://www.ebay.com/itm/DSLR-Lens-Controller-Electric-Follow-Focus-Control-For-Baseplate-Mount-5D2-60D-/360815775872?pt=LH_DefaultDomain_0&hash=item54024bd080

This one is wireless and a tad bit too bulky and expensive, but might consider it (though way too noisy... but maybe it might work for our needs, perhaps):
http://tomantosfilms.com/4194/wondlan-follow-focus/

Any other suggestions or reviews on these?



 

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Too late to edit now, but adding another to the list:

http://www.newsshooter.com/2015/01/08/lenzhound-a-wireless-follow-focus-system-for-everyone-starting-at-395/

 

Edit: hmmm.....    seems it is not even shipping yet.

http://www.reduser.net/forum/showthread.php?125893-Has-anyone-heard-from-Lenzhound-Wireless-Lens-Motor-Control-System-(Kickstarter)

Edit 2: ahhh... they did start shipping a few days ago. So perhaps a little too early to firm an opinion on them just yet.

 

Stumbled across an open source project too:

 

 

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Well, after looking into this a lot over the last few days it looks like I'm going to try and go down the DIY path...  ! Any references to others who have done this or tips there would be appreciated.

The reasons for this is a mix of budgetary constraints, and time constraint (we basically need it asap, as the shoot date is not too far away.... and it takes a while to get things shipped from overseas to the ends of the earth where I live).

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Perhaps a silly idea, but wouldn't LEGO stuff work? As a kid I used to play around with that kind of stuff.

'Cause kinda thinking of it, you need a motor with gearing, a controller and them some way to mount and drive it. Should work? Not sure about powering the whole thing. If I remember correctly, the power for the motor comes from the controler that takes like 4 AA batteries. Also not sure if the motor would be powerful enough. Professional looking it might not be either, lol. But it could be a working and cheap option.

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