Quote:
Originally Posted by peeb61
Apologies if this question has been answered but...
Having just purchased a QHY8L, I wish to use this with my Bintel 8" f/4 Newt scope and because I use a Baader Coma Corrector, I was just wondering what the distance needed to happily bring this rig to focus without attracting Coma. I know the distance from the chip of the QHY8L to the outside of the glass is 20mm but there on?
Many thanks in advance.
Paul
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You need another 35mm to the back of the MPCC +/-2mm.