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Re: Help!!! Focusing Problem
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Jim Adkins/">Jim Adkins on February 23, 2000 04:44:20 UTC |
: I just built my first telescope and I'm having a focusing problem. : The telescope will focus on something about 20 feet away but won't : focus on anything further than that. It has a 6" f/5 : mirror, 1.3" secondary. The tube is 8" diameter. The mirrors : are spaced 24" apart. The focuser is Orion's cheapee : for the 1.25" eyepieces. What did I do wrong? Any help will : be very much appreciated. Your eyepiece is too far from the secondary mirror - perhaps the focuser you referred to is higher than the scope was designed for. The answer may be to get a short helical focuser that is not as tall as a rack and pinion.
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