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M49-M26 lens filter thread to objective adapter
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Attach an M26x36TPI (Mitutoyo) microscope objective to a tube lens with an M49x0.75 filter thread.
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Updated at source:
Model information
- Source
- Printables
- Category
- Photo & Video
- License
- Creative Commons — Public Domain
My setup:
- Objective: 10X EO M Plan Apo ELWD infinity corrected (M26x36TPI)
- Tube lens: Carl Zeiss Jena 3.5/135mm (M49x0.75)
It covers a full frame with minimal vignetting at full aperture on the tube lens.
Printed with PLA, 0.6mm nozzle, 0.1mm layer height. The thread came out very nicely.
I painted it black.
It's a bit hard to take off from the filter thread. Remove the objective first, then rub the flat surface of the adapter with your palm.
Source: https://github.com/keshuaixu/microscopy/blob/master/m49m26.scad
Requires fork of threadlib: https://github.com/keshuaixu/threadlib/tree/lens_threads