Nikon F Lens Mount
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Multi piece mount for Nikon F mount lenses, with mechanical aperture sensing and control
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- Printables
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- Mechanical Parts
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- Creative Commons — Attribution
Mount for Nikon F mount lenses. Support for aperture sensing by measurement of the aperture ring and converting it into a 360 degree rotation on the “aperture sense gear” (axel needs to be sprung). Support for controlling the open/closing of the aperture diaphragm via the “aperture control gear”. Also includes correctly placed electrical contact point and holes for the mount location pin and manual motor drive.
The model is in multiple parts designed to be printed with minimal or no support such that we have as many smooth surfaces as possible for parts to run smoothly on. See 3mf for an example layout.
The mount and mount plate are secured with 4 M2 bolts (pan head), in this sample configuration the two aperture gears are also fixed with M2 pan head bolts, though in a real application these would be connected to shafts.
The aperture sense rack attaches to the aperture sense ring with a M1.4 4mm bolt (pan head), though you could probably just glue it.
See the Blender file for how it all fits together, but the photos should give an idea. I printed it all at 0.16mm layer height in PLA, though watch out for the gears as they can sometimes take on a wedge shape due to shrinkage - printing those at 0.08mm seems to solve it