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150mm Bahtinov mask sigma 500/f4
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Bahtinov mask made for a sigma 500mm f4 lens, should fit any telescope with an inner diameter of 150mm (front opening).
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Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution — Share Alike
This bahtinov mask is designed for a sigma 500mm f4 lens. It will fit nicely to the front lens hood after you have applied some self-adhesive flocking paper/ velour paper to the part that is inserted into the lens hood. Some thin tape should work as well.
The wider gaps between the lines will let through more light but will make the star spikes a little wider. It should make the mask more durable.
Print face down.
I used add north PETG pro matte, 0.2mm layers, and the result was really nice.