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Duncan mask - old C8 collimation aid
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This mask is helpfull for callimation of SCT telescopes
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Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a simple mask for SCT collimation. It can be printed in different materials of your liking (gluestic recommanded for PLA). Pictured is PETG leftover filaments used but I suggest you print it black of use anti-relfection material on it (at least on the scope side and holes edges).
Its only one part that need to be printed 3 times. Then its glued together with CA glue. I usually put it face down as it is easier to remove and fits nicely.