Quote:
Originally Posted by Sundog
So coma corrector and field flattener are only needed for AP, not for visual viewing?
It seems their effect would also be desirable for visual.
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A coma corrector is probably worthwhile for visual with a fast scope and eyepieces with a wide FOV.
Mild field curvature is not such a big deal because the eye can accommodate for small focus changes as you look around the FOV.
I'm mostly an imager so it would be advisable to get confirmation from a visual expert before spending money
Cheers,
Rick.