Quote:
Originally Posted by LinusVanPelt
Thanks for the replies. What I don't get is that there is heaps of extension left on the focuser - far more than extra distance the 90 diag gives (not 45 as prev stated - long day).
I can crank out the tube far more than the distance added by the diagonal I can't see why I need even more length. Hmmmm
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Yes, but how far out is the focuser with the diagonal in it? The diagonal will add maybe another 8cms or more to the light path.
See picture. Red path is the extra distance light travel.
Regards, Rob.