Email your queries to scopedoctor@skyatnightmagazine.com
I have a Sky-Watcher 200PDS Newtonian telescope, a Sky-Watcher Coma Corrector and a Canon 650D DSLR. I've fitted the corrector with the recommended 54mm of back focus,
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Email your queries to scopedoctor@skyatnightmagazine.com
I have a Sky-Watcher 200PDS Newtonian telescope, a Sky-Watcher Coma Corrector and a Canon 650D DSLR. I've fitted the corrector with the recommended 54mm of back focus,
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Exposure Mastery: Aperture, Shutter Speed & ISO: The Difference Between Good and Breathtaking Photographs
byBrian Black