DIY Gearless Follow Focus

[MarcusWolschon]

Because they also help with pulling the focus yourself and if you have a focus puller, you usually already have a commercial rig or a wireless follow focus?

 

[Ted Ramasola]

Consolidated images of how this is made over here;

http://www.ramasolaproductions.com/5.html

click on the images to expand to a higher res.