budget follow focus/zoom gear for stock and c-mounts??

U

upshot

Well-known member
I'm looking to adapt my c-mount primes and the stock zoom on a GH1 to my follow focus. If I'm not mistaken it's a .8 (?) gear (cavision).

THIS looks perfect for some of my short throw helicoids and possibly the GH1 stock. But damn that's expensive for a little plasic gear strip and screw lock!

What's the advice for these 35-44 MM dia. 16mm cine c-mounts? and what would you use for the GH1 stock zoom? There has to be a $50ish solution out there!

TIA
 
Well, for $100 you can't complain too much. It's certainly better than anything I could DIY by throwing $100 at...


I just find it amusing how they saved money on market research on the brand image. I mean the name alone: "defocus" It doesn't give me much confidence.
 
Also looking at Indifocus20...it's $150 but comes with the zip rings and the marking board that are extra on the D|Focus.
 
they look about the same build wise, but looking closer, I like the knob on the defocus - it looks more pro than the indifocus unit.

That is, once you add the extra marking disc.
 
On second thought, the Defocus unit has bare aluminum, while the indifocus is anodized black...
 
I bought one of Dave's follow focus kits. For $100.00 it is great and when you take the time to set it up properly it works really well and it does not have much more gear slop than some units costing four and five times as much. I don't use his lens gears. I use Wayne Kinney's Shoot35 gears which are a bargain and great quality.
 
Anyone tried the indifocus 20?

http://www.indifocus.com/products_indifocus20.htm

Looks a little bit nicer than the D Focus IMO...although I agree the D Focus knob looks a bit better but I think this one is kind of unique :)

$150 and comes with the marking panel, rail mount, 2 zip gears, etc.

$20 for two extra zips

$40 for 12" whip and speed crank.

Planning on getting one, it's another exposed gearbox design but somehow it looks just a little cleaner to me.

Don't get me wrong the D Focus looks really nice and props to Dave for making such a cool device...but this comes with everything you need and I think in the long run ends up being cheaper, plus you can mount whips and stuff.
 
What lenses you use with FF for GH1 ? I checked couple of c-mount primes, they can not be used with FF due to longitudinal movement of focus ring during focusing.
Any ideas for fast and inexpensive primes for Gh1 ?
 
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