Collimate
To render parallels to a certain line or direction.
Related Links
A Beginner?s Guide to Collimation – Gary Seronik
Collimated beam
Telescope Collimation – 8 Simple Steps for the Complete Beginner
How to collimate your telescope | Astronomy.com
How to Align Your Newtonian Reflector Telescope | Sky & Telescope
Related Videos

Advanced Newtonian Collimation

Celestron 114LCM collimation easier method

Collimate a Telescope without a Cheshire

Collimating your reflecting Telescope in just a few minutes

How to Collimate a Telescope - Orion Telescopes and Binoculars
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Advanced Newtonian Collimation
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Celestron 114LCM collimation easier method
-
Collimate a Telescope without a Cheshire
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Collimating your reflecting Telescope in just a few minutes
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How to Collimate a Telescope - Orion Telescopes and Binoculars