Current Price: $79.99
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ORION #5659 2-Inch SkyGlow Broadband Eyepiece Filter (Made in Japan)
Manufacturer Model: 5659
The SkyGlow filter enhances deep-sky observing in moderately light-polluted skies. 2" eyepiece filter blocks the most common wavelengths of light pollution for increased contrast and better view quality. SkyGlow improves the views of nebulas, galaxies and star clusters, especially when viewing in areas with light pollution from streetlights and sources. Ideal for backyard astronomy observing when you don't have time to trek to a dark sky site 2" filter designed for use with 2" telescope eyepieces. Metal filter cell construction.
Description:
Our SkyGlow is an advanced multilayer interference filter designed to enhance deep-sky observing in moderately light-polluted skies. It blocks the most common wavelengths of light pollution - predominantly produced by mercury vapor lamps - and allows higher transmission of critical hydrogen-alpha and hydrogen-beta lines. Bright, light-polluted skies appear much darker in the field of view and contrast significantly enhanced, particularly emission nebulas like the Orion and Lagoon. Views of galaxies and clusters are also improved.
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NOTE PLEASE READ: Everything I sell is 'no returns'. Why? Because this is an auction site, I do my best to detail every flaw and issue as well as overall condition. Some things like parts have appropriate age and wear that can be hard to define to everyone's satisfaction. Please ask questions BEFORE you bid if you are unsure about anything and I'll be happy to answer them to the best of my knowledge.

Filed under: Eyepieces & Accessories