(moved) lens gear
by MarcusWolschon, published
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THIS DESIGN HAS BEEN MOVED TO YOUMAGINE:
This is a lens gear for a 65mm lens to use with a follow focus.
Adapting this to smaller lenses should be trivial.
0.8mm pitch, 97 teeth to the full circle.
I tested these to be compatible with industry standard follow focus equipment of the same pitch.
(These gears are sold for obscene prices, so I printed my own.)
video in action:
To make construction with this part easier, I also added the counter-gear for it.
Ready with an M8 trapped nut and tapering to make inserting nut and shaft easier.
I choose a very thick M8 shaft to allow cheap and readily available 608 skateboard-bearings to be used.
(The rounding between trapped nut and gear is to increase strength.)
License is CC-BY-NC-SA
So you may make one yourself and improve the design but not sell the design or made parts and always give attribution.
Easy to print.
For a Thing-o-Matic disable the outline -plugin to not interfere with the bolts of the automated build platform.
At 32mm/s and 0.4mm layers this takes about 45min to print.
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(moved) lens gear by MarcusWolschon is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- You must distribute Remixes under the same license as the original.
- Remixing or Changing this Thing is allowed.
- Commercial use is not allowed.
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