Accessories / Eyepieces & Barlows / How to pick an eyepiece How to pick an eyepiece Email page link to a friend     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 Home | How to pick a telescope | Telescopes | Accessories | New Products | Used & Demo / Special Sales | Binoculars & Spotting Scopes |  Link Support Terms of Sale | PRIVACY POLICY 7/1/2004 | 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