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Old 05-01-2021, 05:42 PM
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Jason D (Jason)
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Jason D is offline
 
Join Date: Aug 2009
Location: California USA
Posts: 117
Quote:
Originally Posted by glend View Post
I have to ask, do red triangles have some sort of magical qualities that a white circle lacks?
Autocollimators create flipped reflections of the center spot that needs to be precisely stacked. A triangle will make the task easier as opposed to a ring shape. Catseye Hotspot works even better. See all 3 shapes in the attachment.
Jason
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