Lens Stabilizer Ring for RF 24-240mm lens on Askar VDP 300
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A design to stabilize a long lens on a dovetail plate for astrophotography
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Informacje o modelu
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- Printables
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- Other Gadgets
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- Creative Commons — Attribution — Noncommercial — Share Alike
Here's a link for the OnShape parametric version of the model. Although I've designed it for very specific equipment, you should be able to modify the OnShape file for similar use cases. (If you do want to use the included model with the pictured EOS RP & RF 24-240mm, please note it's designed with the use of an EG-E1 extension grip installed on the camera body.)
The general design uses a clamping ring (with M3 screw) for the lens, supporting the lens and minimizing motion as the camera is rotated during star tracking. The mounting portion uses two 6mm pegs spaced 20mm on-center, and a central hole for an M5 screw from below. The lower connection plate (or t-nut, or whatever) acts as a washer for the M5 screw, and helps keep everything aligned.
This first version of the design uses M3 and M5 threaded inserts from CNC Kitchen. I'll soon upload some alternative version with modeled threads and narrow openings for cutting your own threads.
I used the MK4 0.2mm layer height Input Shaping Speed profile with Jessie PLA, 30% gyroid infill, and everything turned out great. Maybe support the countersink for the M5 screw on the T-nut, but no big deal if you don't.