Designed specifically for SV503 80mm f/7 ED Refractor. The field flattener corrects the inherent spherical aberration of curved lenses which causes distortion at the edges of the field of view. As a focal reducer, it reduces the focal ratio of the scope which translates into wider fields of view with shorter exposure times—allowing you to capture more images in the same amount of time without sacrificing performance. Features:
Package Includes:
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Buyers Show Imaging telescopes or lenses: Skywatcher Explorer 150/750 PDS · SvBony SV503 |
QHY268C SV198 Guide scope + 102ed f 7 + 0.8x SVbony UV/IR cut EQ6R-Pro Bortle class 4 Light 360 sec x 30 dark 25 Flat 60 Dark Flat 60 Bias 60 Author:Kspiya |