Cheap Orion 5584 2-Inch Hydrogen-Beta Nebula Eyepiece Filter Looking for Orion 5584 2-Inch Hydrogen-Beta Nebula Eyepiece Filter or other deals ? Orion 5584 2-Inch Hydrogen-Beta Nebula Eyepiece Filter Feature: An excellent eyepiece filter for viewing faint and elusive nebulas such as the Horsehead, California, and Cocoon NebulasSelective band-pass eyepiece filter transmits only the hydrogen-beta wavelength of light these faint nebulas emitAllows you to observe celestial targets that are considered trophies of visual astronomyBest used with a moderate to large aperture telescopes under clear, dark skies with good seeing conditionsMetal filter cell threaded to fit 2" Orion eyepieces and telescope diagonal barrels Our Hydrogen-Beta Filter may be the only way to see the faint and elusive Horsehead, California, and Cocoon Nebulas. It blocks everything but the hydrogen-beta light these faint nebulas emit, providing the contrast needed for viewing. By isolating the hydrogen-beta spectral line centered at 486.1 nm in a 12nm band-pass and blocking other wavelengths, it effectively blackens the background sky, allowing the faint nebula to become clearly defined. It increases contrast even under dark skies so you can visually capture these prized targets. Use with a moderate to large aperture telescope under clear, dark viewing conditions. Threaded to fit 1.25 and 2 eyepieces and diagonals. Some tags cyber monday; tv deals; best deals; cyber monday; cheap; reviews on Orion 5584 2-Inch Hydrogen-Beta Nebula Eyepiece Filter; products; for customers; best Orion 5584 2-Inch Hydrogen-Beta Nebula Eyepiece Filter; black friday; offers; black friday; features; buy cheap; cheap; best buy; cyber monday sale 2013; cyber monday; uuue; reviews; specials; holiday; market price; christmas deals; shipping; top; holiday; special; bargain; best price. See the actual price here : tinyurl/wwejbt-B000HG52DW
Posted on: Wed, 18 Sep 2013 20:01:20 +0000
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