I was recently asked by a subscriber if I could create a video explaining how to use a tri-bahtinov mask to collimate a Schmidt-Cassegrain telescope. So I hope this is helpful to all SCT users that are thinking of purchasing one of these focus/collimation aids.

Equipment used in this video:
Bob's Knobs Collimation Thumbscrews : [ Ссылка ]
Farpoint Astro Tri-Bahtinov mask: [ Ссылка ]
Celestron Nexstar 8Se Schmidt-Cassegrain Telescope [ Ссылка ]
Celestron EdgeHD 8 Schmidt-Cassegrain Telescope: [ Ссылка ]
ZWO AsiAir Pro: [ Ссылка ]
ZWO ASI294MM Pro Cooled Monochrome Camera: [ Ссылка ]

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