Cheshire collimator for newtonian telescope by Lanthan 3d model
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Cheshire collimator for newtonian telescope by Lanthan

Cheshire collimator for newtonian telescope by Lanthan

by Thingiverse
Last crawled date: 3 years ago
This eyepiece is used to collimate your newtonian / printonian telescope's primary and secondary mirrors.
Inspired by this laser collimator,http://www.thingiverse.com/thing:12624
but here there is no need to collimate the collimator ;-) .
Use: several tutorials online, I especially like this one:http://www.astro-baby.com/collimation/astro%20babys%20collimation%20guide.htm
check also this:
http://www.atmsite.org/contrib/Carlin/collimation/kolli2.htm#mkcombination
and
http://www.skyandtelescope.com/howto/diy/3306876.html

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