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(moved) Geared Follow Focus
by MarcusWolschon, published
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THIS DESIGN HAS BEEN MOVED TO YOUMAGINE:
After my gearless follow focus,
here a geared one.
Swapping the lens is not as easy as it is with the gearless one and you need a lens-gear for every lens but you also need no pressure to create friction.
The follow focus and lens gear are compatible with industry standard 0.8 pitch follow focus equipment.
The axis use 608 bearings to reduce any noise of threaded rods on plastic that could be picked up by the microphone and to make this run as smooth as possible.
The mounting is for an industry standard 15mm rail support system such as
my 3d printed shoulder rig:
With a follow focus you have precise, manual control over the focus (or zoom) of your lens.
It is used for professional filming where precise control of the focus is required and where a pumping autofocus would simply ruin the take.
Commercial versions are sadly terribly expensive. :(
Video (Part I)
Added lens_gear_version3 with a wider tap for the bolt.
The large part may not print on a Thing-o-Matic but require a printer with a larger build volume such as a RepMan or RepRap.
Use the hand-wheel from litwan, it works better then mine. :)
- fit the gears with the bearings. Do not fit the bearings first then then try to insert the gears. It will not work and can be quite hard to remove the bearings to try again.
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(moved) Geared Follow Focus by MarcusWolschon is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
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- You must attribute (give credit) to the creator of this Thing.
- You must distribute Remixes under the same license as the original.
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- Commercial use is not allowed.
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