Author Topic: Advanced Newtonian Collimation  (Read 1628 times)

James Truelove

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Advanced Newtonian Collimation
« on: October 13, 2012, 08:30:11 AM »
Reproduced with kind permission of http://www.astronomyshed.co.uk

Celestron C10-NGT Telescope, Skymaster 20x80 Binoculars, Orion Starshoot Autoguider, Canon EOS 500D Camera, Canon 18-55mm IS Lens, Canon 55-250mm IS Lens. SPC900NC webcam, Long Ex & Amp Off Mod + IR/UV filter, IKHAROS 102mm ED APO Refractor + matched field flattener and 0.8x reducer giving F7/F5.6