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Differential flexure can occur when one part of the imaging system shifts slightly such as when a focuser (either on the guide scope or imaging scope) sags. The goal to beat this is to 1) use an Off Axis Guider or 2) make sure all parts of the guide scope (including camera) and imaging scope (with camera) is as rigid as possible and "moves" as a complete unit.
I added tube rings to the focuser and one on the autoguider to limit flexure at the focuser on the 80mm Short tube. So far so…
Wa-chur-ed Observatory (that's me) is proud to announce our newest addition to the product family, MRT (Mister T).
MRT (Mister T) adapter for Canon DSLR astro-photography. With rock-solid mounting and easy camera rotation adjustment, I pity the fool that doesn’t use this adapter!
Click here for more information:…Continue