· Home  · View Cart  · Wish List  · Order History  · Account Information

Toll-Free Order Line: 800-422-7876  | 24-Hour Fax: 405-447-3337  | Telephone Hours: Monday-Friday 8AM-9PM CST, Saturday Noon-5PM CST

Search Our Site       · Advanced Search  Contact Information Orders: 800-422-7876 Questions: 405-364-0858 24-Hour Fax: 405-447-3337 More contact information  Last 2 items viewed   View ALL recently viewed items   Celestron - altazimuth mount with slow motion controls $99.95 List Price: $139.95 Celestron - 4" Omni XLT 102 equatorial refractor with Starbright XLT optical multicoatings $499.00 List Price: $757.95

Terms / Aperture Printer friendly version Email page link to a friend Aperture The diameter of the light-gathering main mirror or objective lens of a telescope. In general, the larger the aperture, the fainter the objects you can see and the better the resolution (the smaller the details you can see). How To Pick A Telescope . . . | Telescopes | Eyepieces | Microscopes | Binoculars | Accessories | Terms | FAQ |  Terms of Sale | Privacy Policy | Fine Print Toll-Free Telephone: 800-422-7876 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 First Telescope 680 S.W. 24th Ave. Norman, OK, 73069 © 2012 by Ad-Libs Advertising, Inc. All rights reserved