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Orion Field Flattener for Short Refractors
4.7 / 5.0
Designed for use with 400mm to 660mm focal length refractor telescopes with focal ratios of f/5 to f/7.5, this Field Flattener lets you enjoy the full potential of your fast refractor telescope for astrophotography. Fully multi-coated optics.
Was 
$149.99
Now 
$127.49
You Save 
$22.50

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Orion 0.8x Focal Reducer for Refractor Telescopes
4.7 / 5.0
The Orion 0.8x Focal Reducer for Refractors increases any 2" focuser-equipped astrophotography refractor's field of view while reducing the effective focal length by a factor of 0.8x, thereby providing a shorter, more optically fast focal ratio.
Was 
$149.99
Now 
$127.49
You Save 
$22.50

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Orion 0.5x Focal Reducer for StarShoot G3-G4 Imaging Cameras
4.5 / 5.0
The 1.25" Orion 0.5x focal reducer increases the area imaged by your StarShoot G3 or G4 camera. The larger imaging area allows capture of larger star fields that may not fit entirely in your telescope's normal field of view.
Was 
$44.99
Now 
$38.24
You Save 
$6.75

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Orion Field Flattener for EON 104mm ED-X2 Triplet Refractor
Designed specifically for use with the EON 104mm ED-X2, this device corrects field curvature to yield an optically flat field for optimized imaging performance. Includes standard T-thread (M42) and wider-format M48 camera attachment adapters.
Was 
$299.99
Now 
$254.99
You Save 
$45.00

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Orion 0.8x Reducer-Flattener, EON 115mm ED Triplet Refractor
The 0.8x Reducer-Flattener (for photography only) provides pinpoint stars to the edge of the image frame. It also reduces the EON 115's effective focal length from 805mm to 644mm, for a zippy f/5.6 focal ratio. A must-have accessory for imaging.
Was 
$249.99
Now 
$212.49
You Save 
$37.50

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Orion 0.8x Reducer-Flattener, EON 130mm ED Triplet Refractor
The 0.8x Reducer-Flattener (for photography only) provides pinpoint stars to the edge of the image frame. It also reduces the EON 130's effective focal length from 910mm to 728mm, for a zippy f/5.6 focal ratio. A must-have accessory for imaging.
Was 
$249.99
Now 
$212.49
You Save 
$37.50

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Orion 2" Photo-Visual Coma Corrector for Newtonians
Corrects coma and field curvature inherent in fast Newtonians from f/3.5 to f/6, rendering sharp stars across the entire field of view or image frame. Works for visual observing and astrophotography. Fully multi-coated optics with 75mm backfocus.
Was 
$129.99
Now 
$110.49
You Save 
$19.50

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Orion 20mm 2"/M48 Extension Spacer Ring
Aluminum extension ring with M48x0.75 male thread on one end and M48x0.75 female thread on the other. Provides 20mm of extension length and can be combined with other 2"/M48 spacers to meet backfocus requirements of cameras, flatteners, etc.
Was 
$19.99
Now 
$16.99
You Save 
$3.00

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Orion 2"/M48 Extension Spacer Ring Set
Set your camera at the proper backfocus distance with this set of 2"/M48 spacer rings. Includes 5mm, 10mm, 20mm and 30mm fixed lengths plus a variable 9mm-14mm ring. Each ring has internal and external M48x0.75 threads. Can be used in combination.
Was 
$49.99
Now 
$42.49
You Save 
$7.50

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Since 1975

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About Orion Telescopes & Binoculars

Since 1975 Orion Telescopes & Binoculars has been offering telescopes for sale direct to customers. Now an employee-owned company, we pride ourselves on 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. Because we sell direct, we can offer you tremendous value at a great price. 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, & reviews, and even become a featured Orion customer!