Ritchey Chretien Telescope Collimation The Easy Way - YouTube
The joys (or otherwise) of RC collimation - Discussions - Scopes / Whole setups - Stargazers Lounge
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James Petruzzi on Twitter: "Laser collimation. Tedious? Yes. Satisfying? Also yes. Testing tomorrow night if the forecast holds. :) (this is a holographic circular pattern projected on my bedroom wall by my
How to collimate a GSO Ritchey Chrétien telescope
Carbon Fiber Telescope Tubes | 8 Inch Ritchey-Chretien
How to collimate a GSO Ritchey Chrétien telescope
RC collimation with no laser or stars - Cats & Casses - Cloudy Nights
Steve's Adventures In AstroLand: Collimating My GSO RC8 telescope
Officina Stellare Pro RC 400 F/8 ceramic glass set / full carbon tube