Quote:
Originally Posted by LewisM
Here is my scope - f/15 (900mm) native with a 5X Barlow and the ASI533. Still small, and that's at 4500mm (f/75 lol) with a 5x...
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There’s a small program put out by New University Press for Windows. Google it. It gives you a visual indication of your FOV and plenty of options to choose scope camera combinations.