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1.25" Orion Hydrogen-Beta Eyepiece Filter
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1.25" Orion Hydrogen-Beta Eyepiece Filter
$105.99
 
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  • Orion's Hydrogen-Beat 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
  • Threaded to fit 1.25" eyepieces and threaded diagonal barrels


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Item #  05583
Mfg Model #  05583
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A Hydrogen-Beta telescope 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, Orion's Hydrogen-Beta Telescope Filter 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" telescope eyepieces and telescope diagonals.

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Warning

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Product Support
Visit our product support section for instruction manuals and more
Specs
  • Thread size
    28.4mm
  • Filter use
    Deep sky
  • Bandwidth
    Narrowband
  • Warranty
    One year
Shipping Info

Orders received by noon Pacific Time for in-stock items ship the same business day. Orders received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

Reviews
1.25" Orion Hydrogen-Beta Eyepiece Filter
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5 / 5
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5 / 5
5 / 5
1 out of 1(100%)reviewers recommend this product.
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2 Have you wanted to view the Horsehead, California, and Cocoon nebulas? This 1.25" Orion Hydrogen-Beta Nebula Telescope Filter blocks everything but the light these faint nebulas emit, providing the contrast needed for viewing these elusive nebulas.
Rating??
5 / 5
5 / 5
Open Ratings Snapshot
Rating Breakdown 2 Reviews
5 stars
2
4 stars
0
3 stars
0
2 stars
0
1 star
0
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
5 / 5
5 / 5
1 out of 1(100%)reviewers recommend this product.
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Ratings summary
Rating??
5 / 5
5 / 5
Open Ratings Snapshot
Rating Breakdown 2 Reviews
5 stars
2
4 stars
0
3 stars
0
2 stars
0
1 star
0
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
5 / 5
5 / 5
1 out of 1(100%)reviewers recommend this product.
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Rating??
5 / 5
5 / 5
H-Beta filter
PostedJanuary 2, 2009
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Steven B
 
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After years of trying, the Horsehead nebula is no longer invisible to me. This filter was my "ace in the hole". Good product.
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5 / 5
5 / 5
Makes some nebula easy
PostedOctober 5, 2011
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Randy
 
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from??Saline County, Ks
Owned this product for:Less than 3 mos
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
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5 / 5
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5 / 5
After a couple of weeks in the hobby and an XT8 I was able to find the Horsehead nebula easily. This seems to be a limited use filter. Anyone looking for the nebula that emits light in this spectrum really should be using this filter. The above nebula nebula does not look like much without the filter, but with it I can see much more contrast and the parameter of IC 434 is much easier to see.
Yes, I recommend this product!
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