How to Collimate a small refractor?

Hello:

Several weeks ago, someone posted a comment about having to collimate an
Orion Telescope 80 mm ED
refractor. They mentioned that it was not all that difficult.

Does anyone have a link or information on how this is done?

Thanks,

AGS

elsancho wrote:
Does anyone have a link or information on how this is done?

http://astunit.com/tutorials/collifrac.htm

Best,
Stephen

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