It's for imaging, camera is the ASI1600MM-C, 3.8 pixel size; 4/3rd sensor (17.7mm x 13.4mm), resolution 4656 x 3520.
I could try my Nikon D5300 (APS-C) but i need deep cooling and long narrowband subs. The Nikon is not suitable.
Looking at the calculators, 320mm might be ok if i work the diagonal axis into the framing.
Last edited by glend; 21-03-2018 at 11:10 AM.
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