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Eyepiece focal length range:
Up to 12mm 12mm - 20mm 13mm - 20mm Over 20mm
Barrel diameter:
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Eyepiece apparent field of view range:
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Lens elements range:
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27mm Orion Edge-On Flat Field Eyepiece
4.8 / 5.0
The 27mm Orion Edge-On Flat Field is a low powered telescope eyepiece that is great for views of deep sky objects. The Edge-On series brings you flat-field design at an affordable price. Multicoated optics give you bright, high contrast images.
Was  
$109.99
Now  
$69.99
You Save  
$40.00
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19mm Orion Edge-On Flat Field Eyepiece
5.0 / 5.0
The 19mm Orion Edge-On Flat Field is a medium low powered telescope eyepiece that is great for views of deep sky objects and planets. The Edge-On series gives you flat-field design at an good price. Multicoated optics for bright, clear images.
Was  
$109.99
Now  
$69.99
You Save  
$40.00
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40mm Orion Sirius Plossl Telescope Eyepiece
4.9 / 5.0
For wide-field surveying and detailed observations of large diffuse objects the 40mm Orion Sirius Plossl Telescope Eyepiece is perfect. It is ideal for all types of telescopes.
Was  
$54.99
Now  
$29.99
You Save  
$25.00
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4mm Orion MegaView Ultra-Wide Eyepiece
4.5 / 5.0
The 4mm Orion MegaView Ultra-Wide Telescope Eyepiece is perfect for huge detailed views of the Planets, Moon, small bright planetary nebulae or star clusters. Features fully multi-coated optics for very bright, clear, high contrast images.
Was  
$199.99
Now  
$129.99
You Save  
$70.00
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7mm Orion MegaView Ultra-Wide Eyepiece
5.0 / 5.0
The 7mm Orion MegaView Ultra-Wide Telescope Eyepiece is perfect for huge detailed views of the Planets, Moon, small bright planetary nebulae or star clusters. Features fully multi-coated optics for very bright, sharp, clear, high contrast images.
Was  
$199.99
Now  
$129.99
You Save  
$70.00
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16mm Orion MegaView Ultra-Wide Eyepiece
5.0 / 5.0
The 16mm Orion MegaView Ultra-Wide Telescope Eyepiece is perfect for expansive views of the planets, moon and deep sky objects. Features fully multi-coated optics for very bright, sharp, high contrast images of celestial or terrestrial objects.
Was  
$239.99
Now  
$149.99
You Save  
$90.00
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20mm Orion HighLight Plossl Telescope Eyepiece
5.0 / 5.0
The 20mm Orion HighLight Plossl Eyepiece is low powered making it perfect for viewing bright deep sky objects. The HighLight Plossl line of eyepieces are fully multi-coated giving you very bright, sharp, images with a high degree of color correction.
Was  
$59.99
Now  
$29.99
You Save  
$30.00
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40mm Orion HighLight Plossl Telescope Eyepiece
5.0 / 5.0
The 40mm Orion HighLight Plossl is a very low powered telescope eyepiece perfect for viewing deep space objects. The fully multi-coated optics give you bright, sharp images and provides a high degree of color correction.
Was  
$64.99
Now  
$39.99
You Save  
$25.00
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Orion SteadyStar Adaptive Optics Guider
3.3 / 5.0
The Orion SteadyStar Adaptive Optics Guider eliminates tracking errors far more effectively than regular autoguiding. Overcome your mount's periodic error resulting in sharper, smaller stars. It makes even a modest mount perform more effectively!
Was  
$1,499.99
Now  
$849.99
3 easy payments of $283.33
With payment plan

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Orion SteadyStar Adaptive Optics Guider with Rotator
The Orion SteadyStar Adaptive Optics Guider with Rotator eliminates tracking errors for rounder, tighter stars.. It also allows you to take astrophotos on motorized alt-az mounts. One of the fastest, most universal AO units on the market.
Was  
$1,999.99
Now  
$1,249.99
3 easy payments of $416.66
With payment plan

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*2nd* 35mm Orion DeepView Eyepiece
Was  
$89.99
Now  
$67.49
You Save  
$22.50
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*2nd* 42mm Orion DeepView Eyepiece
Was  
$89.99
Now  
$67.49
You Save  
$22.50
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3mm Orion Long Eye Relief Telescope Eyepiece
5.0 / 5.0
Whether you wear eyeglasses or not when you view the night sky, you'll appreciate the exquisite optical performance and build quality of our 3mm Orion Long Eye Relief telescope eyepiece. With a super-long 20mm eye relief, you can view comfortably.
Was  
$99.99
Now  
$69.99
You Save  
$30.00
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5mm Orion Long Eye Relief Telescope Eyepiece
5.0 / 5.0
Any amateur astronomer looking for sharp, and comfortable views through a telescope will appreciate the exquisite optical performance and build quality of our 5mm Orion Long Eye Relief eyepiece. Its long 20mm eye relief is ideal for eyeglass wearers.
Was  
$99.99
Now  
$69.99
You Save  
$30.00
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6mm Orion Long Eye Relief Telescope Eyepiece
Our 6mm Orion Long Eye Relief telescope eyepiece features a luxuriously long 20mm eye relief so you can enjoy the full view with or without eyeglasses on.
Was  
$99.99
Now  
$69.99
You Save  
$30.00
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9mm Orion Long Eye Relief Telescope Eyepiece
With its luxuriously long 20mm eye relief, you can keep your glasses on and still see the entire field of view in comfort with our 9mm Orion Long Eye Relief telescope eyepiece.
Was  
$99.99
Now  
$64.99
You Save  
$35.00
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12.5mm Orion Long Eye Relief Telescope Eyepiece
The 12.5mm Orion Long Eye Relief 1.25" eyepiece boasts a long 20mm eye relief so you can enjoy the full view with or without eyeglasses on.
Was  
$99.99
Now  
$69.99
You Save  
$30.00
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14.5mm Orion Long Eye Relief Telescope Eyepiece
5.0 / 5.0
Any amateur astronomer looking for sharp, and comfortable views through a telescope will appreciate the exquisite optical performance and build quality of our 14.5mm Orion Long Eye Relief eyepiece. Its 20mm eye relief provides comfortable view.
Was  
$99.99
Now  
$69.99
You Save  
$30.00
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18mm Orion Long Eye Relief Telescope Eyepiece
5.0 / 5.0
Whether you wear glasses or not when you view the night sky, you'll appreciate the exquisite optical performance and build quality of our 18mm Orion Long Eye Relief telescope eyepiece. With its extra-long 20mm eye relief, you can view comfortably.
Was  
$99.99
Now  
$69.99
You Save  
$30.00
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9mm Orion GiantView 100-degree Ultra-Wide Eyepiece
5.0 / 5.0
Orion's 9mm GiantView 100° Ultra-Wide eyepiece offers a visual experience you'll never forget with its astounding 100° apparent field of view. Offered at a fraction of the price of similar models, this 9mm telescope eyepiece's quality will amaze you.
Was  
$399.99
Now  
$194.99
You Save  
$205.00
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About Orion Telescopes & Binoculars

Since 1975 Orion Telescopes & Binoculars has been offering telescopes for sale direct to customers, with an unswerving commitment to best quality products, value and unmatched customer care. Our 100% satisfaction guarantee says it all.

Orion offers telescopes for every level: Beginner, Intermediate, Advanced, and Expert. From our entry level beginner telescopes for amateur astronomers to our Dobsonian telescopes to our most advanced Cassegrain telescopes and accessories, you can find the best telescope for you. And you'll enjoy discount prices by buying your telescope online, direct from Orion. Not sure how to choose a telescope? Orion's Telescope Buyer's Guide is a great place to start.

Orion binoculars are known for quality optics at a great price. We offer binoculars for every viewing interest, including astronomical binoculars, compact binoculars, waterproof binoculars, birding binoculars, and sport and hunting binoculars.

Orion's telescope and astrophotography accessories will enhance your telescope enjoyment without breaking the bank. Expand your viewing experience with accessories ranging from moon filters to power-boosting Barlow lenses to advanced computerized telescope mounts. Capture breathtaking photos with our affordable astrophotography cameras. And when you're stargazing, Orion's telescope cases and covers, observing gear, red LED flashlights, astronomy books and star charts will make your observing sessions more convenient, comfortable and meaningful.

At Orion, we are committed to sharing our knowledge and passion for astronomy and astrophotography with the amateur astronomy community. Visit the Orion Community Center for in-depth information on telescopes, binoculars, and astrophotography. You can find astrophotography "how to" tips and share your best astronomy pictures here. Submit astronomy articles, events, and reviews, and even become a featured Orion customer!