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Hartmann mask for maksutov 102
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A simple focus helper for my SkyMax102
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Model information
- Source
- Printables
- Category
- Outdoor Toys
- License
- Creative Commons — Attribution — Noncommercial
I designed this Hartmann mask for my skymax102.
Less precise than a Bahtinov, H. mask is suitable for lunar surface too.
Here an usage example.
Out of focus view
The 3 triangle shaped holes are clearly visible
In focus view
Overlapping triangles reveals diffraction spikes.
WIKIPEDIA page about Hartmann mask.
I've designed & printed the mask with TPU94a material in mind to achieve an easy removable fit, not too loose nor too snug.