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PRODUCT DESCRIPTION

Quick Overview High-quality, affordable 20mm telescope eyepiece offers a wide field of view and superior performance at a bargain price Generous 18mm eye relief allows comfortable viewing distance and lets eyeglass wearers see the entire field of view Wide 66-deg apparent field offers expansive views of the moon, star clusters, and the Milky Way 5-element design delivers sharp images with good color correction and contrast Threaded to accept standard 1.25" filters Product Details This 1.25" Agena enhanced wide angle eyepiece is sure to provide many “ooohs,” “ahhhs,” and “wows” from those who take advantage of its generous 66-deg field of view. With features generally found in more expensive eyepieces, this ocular will escalate the joys of viewing with high-contrast views and amazing color correction.

This high quality eyepiece features a 5-element design that offers superior sharpness. All air to glass surfaces have a multi-layer coating (so these are fully multi-coated, even though the barrel imprint may say "multi coated") for maximum light transmission. The long eye relief allows for a comfortable viewing distance. All lens edges are blackened for superior contrast. The insert tube is smooth-sided and is threaded for standard 1.25" astronomy filters. Comprehensive ongoing service, after care 60 yrs experience in astronomy & optics;