Quote:
Originally Posted by fok4tel
I find that I can’t bring the stars to a fine focus under 200x in my telescope, the stars appear to be disc-like. I think I don’t have problem with collimation, and I use Nagler 9mm EP. If everything else being in order, does it mean I have actually seen airy disc of those stars? If it is true, then I will never be able to see pin-point stars in my Nagler 9. But I remember people claim to be able to see pin point stars even with a shorter focal length. That puzzles me.
Appreciate your comments on this.
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Cant avoid Airy Disk
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