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| The Astro-Tech Titan Type II ED 2" 30mm eyepiece has a wide 68° field of view, so large that the tack-sharp image more than fills your eye. While it provides superb wide field views with any telescope type, it is particularly well suited for low power viewing with a fast focal ratio Dobsonian reflector. Its 30mm focal length gives you a 6.67mm exit pupil with an f/4.5 reflector, just about the largest exit pupil that a normal fully-dilated eye can accept, for the brightest wide field views possible.
The 30mm Titan Type II ED’s six-lens wide field ED optical design is superb for viewing large-scale deep space objects like nebulas, open star clusters, and the star clouds in Sagittarius. Its high contrast and bright images make faint nebular wisps pop out against a very dark sky background, as well as showing myriad subtle levels of contrast in bright nebulas. Pinpoint stars across the entire field make open clusters look like a handful of diamonds scattered across a black velvet cloth.
This stunning views you will see in this 3-7/8" long 11 ounce 30mm Astro-Tech Titan Type II ED eyepiece will take your fast focal ratio wide field observing to an entirely new level, at a price/performance ratio no other top-quality eyepiece can touch.
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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 8 AM - 6 PM CST Tuesday-Friday 8 AM - 8 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
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