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As Far As The Exir Pupil Goes

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Posted by Bob Sal on March 9, 2002 20:54:23 UTC

As far as the exit pupil goes, You have an f/10, you can use just about any eyepiece. It's the shorter focal length scopes that have to be a little carfull. I'd go with something that has a large apparent field. Those are better. Usually a 50MM would have a smaller apparent file like 40 or 45. The 67 degree apparent filed eyepieces are great. Once you get used to them, you never go back.
That's it;

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