How to pick an eyepiece
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christophers, ltd.
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How to pick an eyepiece
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Good eyepieces and seeing
Determining magnification
Highest useful magnification
Lowest useful magnification
Exit pupils
Middle age and the telescope
Determining Field of View
Eye relief
Wearing eyeglasses
Choosing eyepieces
Eyepiece characteristics
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PRIVACY POLICY 7/1/2004
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Fine Print
Toll-Free Telephone Astronomics: 800-422-7876; Christophers, Ltd.: 800-356-6603
Alternate Telephone: 405-364-0858 24 Hour Fax Line: 405-447-3337
Telephone Hours: Monday-Friday 8 AM - 9 PM CST
Saturday Noon - 5 PM CST
Store Hours: Monday-Friday 9 AM - 5 PM CST
Saturday Noon - 5 PM CST
Astronomics / Christophers, Ltd.
680 S.W. 24th Ave.
Norman, OK, 73069
© 2008 by Ad-Libs Advertising, Inc. All rights reserved
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