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1/4"-20 Adapter for Orion Telescope Mounts
4.7 / 5.0
The 1/4"-20 Adapter couples small telescopes to the dovetail saddle of VersaGo, AstroView, SkyView Pro, Sirius, and Atlas Mounts. This telescope mount adapter provides a threaded post for attaching telescopes equipped with a 1/4"-20 threaded socket.
$21.99

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Orion Binocular Mount Adapter
3.2 / 5.0
This aluminum Orion Binocular Adapter couples big astronomy binocular's built in 1/4"-20 post to a Paragon-Plus binocular mount. Compatible with Orion GiantView and Astro-Binocular models. Provides 1/4"-20 attachment of binoculars to mount
$34.99

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Orion 1/4"-20 Adapter for EQ-2 Telescope Mount
3.5 / 5.0
The 1/4"-20 Orion Adapter for EQ-2 Mount provides a threaded 1/4"-20 post for easy and secure attachment of cameras, spotting scopes, small telescopes, and binoculars to the Orion EQ-2 equatorial mount. Great for taking star-trail astrophotographs.
$21.99

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Orion 1/4"-20 Adapter for EQ1 Telescope Mount
3.0 / 5.0
The 1/4"-20 Orion Adapter for EQ-1 Telescope Mount provides a threaded post for attaching instruments equipped with a 1/4"-20 threaded socket.
$21.99

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Orion Mak-Cass Adapter Ring for Schmidt-Cass Accessories
4.0 / 5.0
This adapter ring lets you use all your Schmidt-cassegrain accessories with Orion Maksutov-Cassegrain telescopes. It is designed with an extramely low profile to maintain the full focusing range of the telescope.
$24.99

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1.25" Orion Variable Universal Camera Adapter
4.5 / 5.0
The 1.25" Variable Universal Camera Adapter slides into the telescope focuser and connects to a camera t-ring for prime-focus or eyepiece-projection photography. The sliding barrel design lets you vary the magnification without changing eyepieces.
$52.99

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1.25" Orion Universal Camera Adapter
5.0 / 5.0
The 1.25" Universal Camera Adapter allows attachment of a camera body to a reflector or refractor telescope for either prime-focus or eyepiece-projection photography. It requires a T-ring for your particular brand of camera (sold separately).
$39.99

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0.965"-to-1.25" Orion Telescope Eyepiece Adapter
4.0 / 5.0
Do you want to be able to use your 1.25" Eyepieces with a telescope that normally requires .965" optics? The .965"-to-1.25" Orion Eyepiece Adapter allows you to do just that.
$22.99

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1.25"-to-.965" Orion Telescope Eyepiece Adapter
5.0 / 5.0
Do you have .965" eyepieces that you want to be able to use in your 1.25" telescope focuser, star diagonal or holder? This Orion Eyepiece Adapter allows you to do just that.
Was  
$19.99
Now  
$9.99
You Save  
$10.00

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2"-to-1.25" Orion Telescope Eyepiece Adapter
The 2"-to-1.25" Orion Eyepiece Adapter allows you to use 1.25" telescope eyepieces in any 2" focuser, star diagonal, or holder.
$25.99

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Orion Telescope Eyepiece Parfocal Rings
Eliminate focus adjustments! Orion Telescope Eyepiece Parfocal Ring Sets let you make an assortment of non-parfocal 1.25" or 2" eyepieces parfocal by setting the depth of each telescope eyepiece barrel in the focuser to the same exact focus point.
$16.99 - $19.99
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Orion Dew Zapper Pro 4-Channel Prevention System
The Dew Zapper Pro is an advanced 12-volt dew prevention system that powers up to 4 separate heating bands for all your optical needs. Each heater has a separate temperature control knob. The heating bands (sold separately) are very power-efficient.
$59.99 - $159.99

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Orion Dovetail Mounting Bases for Finder Scopes
Orion Dovetail mounting bases are designed for custom installation of an Orion finderscope on any non-Orion telescope, or for adding a second finder to your tube. Features a locking dovetail and an aluminum base that fits on any size optical tube.
$17.99

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Tele Vue Short Schmidt-Cassegrain Telescope Adapter
5.0 / 5.0
Where SCT fork swing-through clearance is an issue, this Tele Vue Short SCT Adapter adds 0.7". The SCT adapter threads onto the standard C8 visual back to allow use of standard 2" eyepiece accessories.
$45.00

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Tele Vue Standard Schmidt-Cassegrain Telescope Adapter
Where SCT fork swing-through clearance is an issue, this Tele Vue Standard SCT Adapter adds 0.7". The SCT adapter threads onto the standard C8 visual back to allow use of standard 2" eyepiece accessories.
$55.00

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RS-232 Cable for Celestron Computerized Telescopes
3.3 / 5.0
The RS-232 Cable for Celestron Computerized Telescopes connects the GoTo Hand Controller to a PC to use astronomy software to control your telescope.
$16.95

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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!