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Quantity
1
Description
Problem
To accurately test and collimate telescopes, reflectors, catadioptric, and refractors, you must perform a star test. However, to do so, you need a star. Sadly, a real star is not always available due to poor weather conditions or l...
Reviews
5.0
2 ratings
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1
It works
Used with a tri-Bahtinov mask to collimate the secondary mirror and HyperStar inside on my Nexstar 6SE. It’s a simple device that works.
S
Stephen · December 4, 2024
The best one
This is the best artificial star system!
Easy to collimate indoor...