Quote:
Originally Posted by Camelopardalis
I'm pretty sure you're going to need a spacer for prime focus at least, as the back focus will be nowhere near optimal. Check out the Edge HD white paper, I'm pretty sure it lists 146mm for all except the 8" Edge.
|
Dunk, I have asked him this exact question in my latest reply to him, will see what he comes back with
. It may well be the case that he suggests going the PTR-4201 route to add the effective extension length it provides