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Orion's 

39th Anniversary Sale!

During our Anniversary Sale we are also offering Weekly Specials - so check back often!

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Sale Telescope & Eyepiece Filters

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Orion Neutral-Density 13% Transmission Moon Filters
The Orion 13% Moon filters help reduce glare on the moon's surface so you can see more detail and features. These filters are especially useful to owners of large-aperture telescopes. It threads directly onto the eyepiece barrel.
Was
$19.99 - $29.99
Now
$15.99 - $23.49

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Orion SkyGlow Broadband Light Pollution Filters
SkyGlow Broadband filters enhance deep-sky objects in moderately light polluted skies. They block the most common wavelengths of light pollution for increased contrast and better views of all deep-sky objects, without needing to drive to dark skies.
Was
$79.99 - $89.99
Now
$62.99 - $80.49

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Orion Hydrogen-Beta Nebula Filters for Eyepieces
Hydrogen-Beta nebula filters are perhaps the only way to see the faint and elusive Horsehead, California, and Cocoon nebulae. These filters pass light that these faint nebulae emit. Best used with medium to large aperture telescopes in dark skies.
Was
$109.99 - $129.99
Now
$86.49 - $125.99

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Orion Full-Aperture Glass Telescope Solar Filters
The Orion glass solar filters allow perfectly safe viewing of the sun's surface. Glass filters are superior to Mylar solar filters because glass provides better contrast (a more natural yellow-orange color, rather than blue) and more durability.
Was
$69.99 - $159.99
Now
$62.49 - $159.99

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Orion UltraBlock Narrowband Filters
For highly light-polluted sites, the UltraBlock Narrowband Light-Pollution Filters are perfect. They block all forms of light pollution, allowing you to see fainter deep-sky celestial objects over unfiltered and wideband-filtered views.
Was
$99.99 - $124.99
Now
$78.99 - $98.99

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Orion Variable Polarizing Eyepiece Moon Filters
Orion Variable Polarizing Moon filters act like a dimmer switch for your telescope, allowing the perfect amount of light to come through. Whether the Moon is full or a thin crescent, you can adjust to reduce brightness and glare to bring out details.
Was
$39.99 - $69.99
Now
$31.49 - $55.49

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Orion Oxygen-III Nebula Filters for Eyepieces
Orion Oxygen-III filters show amazing detail when viewing nebulae. Completely blocks all other visible wavelengths to boost contrast on emission and planetary nebulae as well as supernova remnants. A bigger contrast boost than the UltraBlock filters.
Was
$109.99 - $159.99
Now
$86.49 - $125.99

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Orion Solar Filter Sets for Binoculars
Designed to fit snugly over the objective lenses of your binoculars, these optical glass filters block 99.99% of incoming sunlight, allowing you to safely observe sunspots and granulation. Each filter features three thumbscrews for secure attachment.
Was
$119.99 - $152.99
Now
$64.99 - $139.99

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1.25" Orion SkyGlow Astrophotography Filter
5.0 / 5.0
This 1.25" Orion SkyGlow Astrophotography Filter is designed for deep sky astrophotography in light polluted skies with a CCD or DSLR camera. It enhances contrast and preserves neutral color balance, eliminating the need for extra color processing.
Was  
$129.99
Now  
$102.49
You Save  
$27.50

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2" Orion SkyGlow Astrophotography Filter
4.6 / 5.0
This 2" Orion SkyGlow Astrophotography Filter is designed for deep sky astrophotography in light polluted skies with a CCD or DSLR camera. It enhances contrast and preserves neutral color balance, eliminating the need for extra color processing.
Was  
$169.99
Now  
$133.99
You Save  
$36.00

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1.25" Orion LRGB Astrophotography Filter Set
5.0 / 5.0
The 1.25" Orion LRGB Astrophotography Filter Set contains 4 must haves for beautiful astrophotos: Red, Blue, Green, and Luminance IR cutoff , all in a protective case. The filters are parfocal which eliminates the task of refocusing between exposure.
Was  
$209.99
Now  
$165.49
You Save  
$44.50

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1.25" Orion Luminance/IR Cutoff Astrophotography Filter
5.0 / 5.0
This Orion astrophotography filter is designed for use with monochrome CCD cameras to increase contrast/sharpness. It blocks IR (infrared) wavelengths which can cause blurring, glare, and reduced contrast in images from cameras lacking an IR filter.
Was  
$49.99
Now  
$39.49
You Save  
$10.50

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1.25" Orion Basic Set of Four Color Filters
4.6 / 5.0
A great tool for bringing out details in the planets and moon is this 1.25" set of four Orion Color Telescope Filters. Each colored filter brings out different details in the planets allowing for a totally different view.
Was  
$49.99
Now  
$39.49
You Save  
$10.50

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1.25" Orion Oxygen-III Extra-Narrowband Filter
5.0 / 5.0
For producing striking, high-contrast color CCD astrophotography of emission nebulae with a monochrome CCD camera, you should use extra-narrowband filters. The 1.25" Orion Extra-Narrowband Oxygen-III filter is one of a set of three filters.
Was  
$139.99
Now  
$125.99
You Save  
$14.00

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1.25" Orion H-Alpha Extra-Narrowband Filter
5.0 / 5.0
For producing striking, high-contrast color CCD astrophotography of emission nebulae with a monochrome CCD camera, you should use extra-narrowband filters. The 1.25" Orion Extra-Narrowband Hydrogen-Alpha filter is one of a set of three filters.
Was  
$149.99
Now  
$136.49
You Save  
$13.50

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Orion Deluxe Stargazer's 1.25" Eyepiece Filter Set
4.5 / 5.0
The 1.25" Deluxe Orion Stargazers Filter SEt is a comprehensive 6 filter set for the best views of all types of celestial objects. Includes the SkyGlow Light Pollution Filter, Variable Polarizing Filter, and 4 Planetary filters.
Was  
$144.99
Now  
$114.49
You Save  
$30.50

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Orion 1.25" Mars Observation Eyepiece Filter Set
4.3 / 5.0
The 1.25" Orion Mars Observation Eyepiece Filter Set is designed to improve views of Mars. The Mars filter increases contrast, the Blue filter highlights polar hoods and clouds, and the Orange filter sharpens visibility of dark surface markings.
Was  
$79.99
Now  
$62.99
You Save  
$17.00

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1.25" Orion 25% Transmission Moon Filter
4.9 / 5.0
The Moon is a wonderful sight through a telescope, and the 1.25" Orion 25% transmission filter allows more lunar detail and surface features to be seen because it reduces the glare from the Moon. Especially useful for viewing crescent phases.
Was  
$19.99
Now  
$15.49
You Save  
$4.50

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1.25" Orion Mars Observation Eyepiece Filter
4.6 / 5.0
Do you want more detailed views of Mars through your telescope? This 1.25" Orion Mars Observation Telescope Filter increases contrast to bring out subtle details, dramatically improving views even in smaller astronomical telescopes.
Was  
$49.99
Now  
$39.49
You Save  
$10.50

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Orion 1.25" Telescope Accessory Kit
4.7 / 5.0
The Orion 1.25" Telescope Accessory Kit includes a good starting assortment of eyepieces to get the most out of your telescope. Two Sirius Plossl 1.25" eyepieces, a Shorty Barlow lens, 4 filters for lunar and planetary viewing, and an aluminum case.
Was  
$109.99
Now  
$92.49
You Save  
$17.50
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Promotional Details:
Discounts apply only to products listed on this page. Prices valid only while supplies last and are limited to stock on hand. Pricing and/or promotions are subject to change without notice.