I am in the market for my first scope and these two are on the top of a very short list.
I came across the following thread message:
Given this limitation of the PF80, would the 663 seem as bright as the PF80 over a significant portion of its focus range? Does this focuser issue also impact the exit pupil just as if the actual objective were the sizes mentioned?
I came across the following thread message:
... Also, the focuser in the scope intrudes into the light path so its true unrestricted aperture goes from ~78mm at infinity to ~67mm at close focus.
Given this limitation of the PF80, would the 663 seem as bright as the PF80 over a significant portion of its focus range? Does this focuser issue also impact the exit pupil just as if the actual objective were the sizes mentioned?