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Orion 5583 1.25-Inch Hydrogen-Beta Eyepiece Filter

$333.99 Ships free Australia wide

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Orion 5583 1.25-Inch Hydrogen-Beta Eyepiece Filter

by OrionIn Stock
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$333.99 Ships free Australia wide

Product:
  • Orion's Hydrogen-Beta eyepiece filter makes it possible to view the elusive Horsehead, California, and Cocoon Nebulas in dark skies
  • Selective band-pass filter transmits only the hydrogen-beta light these faint nebulas emit
  • Filter allows you to observe targets that are considered trophies of visual astronomy
  • Best used with a moderate to large aperture telescope and clear, dark skies
  • Metal filter cell threaded to fit 1.25" eyepieces and threaded diagonal barrels
  • more info
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Product details:

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.
  • Orion's Hydrogen-Beta eyepiece filter makes it possible to view the elusive Horsehead, California, and Cocoon Nebulas in dark skies
  • Selective band-pass filter transmits only the hydrogen-beta light these faint nebulas emit
  • Filter allows you to observe targets that are considered trophies of visual astronomy
  • Best used with a moderate to large aperture telescope and clear, dark skies
  • Metal filter cell threaded to fit 1.25" eyepieces and threaded diagonal barrels

Brand: Orion
Product ID: 1117160578291456
Product Dimensions: 7.9cm x 7.9cm x 2.3cm

  • Free delivery Australia wide
  • 24/7 parcel tracking
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  • Full factory warranty
  • Easy returns
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Please check the packaging and read instructions prior to using the product.
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