Gearless Follow Focus for Shoulder Rig

This is a very simple follow-focus using a roller-blade or skateboard -wheel instead of gears. It's great to experiment with a follow focus on a shoulder-rig without investing a lot of time and effort into a more complex geared or even remote follow focus.

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Description

This is a very simple follow-focus using a roller-blade or skateboard -wheel instead of gears.

It's great to experiment with a follow focus on a shoulder-rig without
investing a lot of time and effort into a more complex geared or even
remote follow focus.



See thingiverse.com/thing:7256 for a much cooler but also more complex design requiring electronics and microcontroller-programming.



Update:

I added a (not yet tested) straight version of this follow focus because
with my new matte box there was not enough space to mount this anymore.



Video:

Lvcg&feature=playerembedded



blog post:

marcuswolschon.blogspot.com/2011/04/printing-gearless-follow-focus.html



photo album:

picasaweb.google.com/Marcus.Wolschon/20110325Bis201105ShulterRigBauen?feat=directlink



forum post:

forums.reprap.org/read.php?88,75536



project in my personal wiki:

sourceforge.net/userapps/mediawiki/marcuswolschon/index.php?title=Projects/Camera/ShoulderRig#status



IF YOU HAVE NO ACCESS TO A 3D-PRINTER AND CAN't FINE SOMEONE ELSE TO
PRINT THESE FOR YOU, YOU CAN HAVE SHAPEWAYS PRINT THESE FOR YOU:

shapeways.com/shops/marcuswolschon?section=Camera+and+Filming

Materials and methods

1 Skateboard wheel
M8 bolt (fits the 608ZZ bearing inside a skateboard wheel)
M8 nut

Documents

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Comments

Mini 1Dubai Bunnies added this to the Print collection ago
47af593ad1b53e3dfa48937402de2f83?default=blank&size=40mroreo123 added this to the Photo/Video collection ago
41ed0417728a0736e2467d789aa9e06d?default=blank&size=40Luca Costabile added this to the camera collection ago
730a061596c420c8915d9f20bd5d89e1?default=blank&size=40Marcus Wolschon published this design ago