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How can I determine limiting magnification of my scope or any scope? I have
an 8" 1000fl f/4.9 reflector and a 4" 1000fl f/8.3 achro refractor. Could I use a 3mm Radian Eyepiece to look at the moon? Better to use a 6mm and 2X Barlow? Doink |
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Thread | Thread Starter | Forum | Replies | Last Post |
on-line source for estimating limiting mag? | David Randell | Amateur Astronomy | 18 | January 9th 04 02:05 PM |
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Photometric sequences to determine telescopic or binocular limiting magnitude | PrisNo6 | Amateur Astronomy | 1 | July 22nd 03 11:01 PM |