A test shot done with a home made gearless follow focus. Also shown being mounted with different lens types.

Theres a thread on how this was made over at DVXUser,

Consolidated images on How to DIY this here:
ramasolaproductions.com/5.html

dvxuser.com/V6/showthread.php?t=185853
or
hbsboard.com/index.php/topic,4294.0.html

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