Orion Store
Orion Store
Shopping Cart
0 item(s)
HACKER SAFE certified sites prevent over 99.9% of hacker crime.
Telescopes
 Mounts & Tripods
 Accessories
 Astrophotography
 Binoculars
 Clearance Center
 Gift Center
 Shop by Brand
 Community

Free Shipping on Orders of $250 or More*  Learn More  *Exclusions Apply

{"dragByHandle":true,"cssSelector":"ql-thumbnail","dragByBody":false,"widgetClass":"OverlayWidget","bindings":{"bind0":{"element":".ql-thumbnail .Quicklook .trigger","type":"quicklookselected","fn":"function(){$.fnProxy(arguments,\'#headerOverlay\',OverlayWidget.show,\'OverlayWidget.show\');}"}},"effectOnHide":"fade","effectOnShowOptions":"{}","closeOnBackgroundClick":true,"effectOnHideOptions":"{}","effectOnShowSpeed":"1200","onScreenPadding":10,"allowOffScreenOverlay":false,"effectOnHideSpeed":"1200","effectOnShow":"fade","captureClicks":true}

{"categorySEOTranslationTypes":"category|section,category,thumbnail","catalogSEOTranslationTypes":"catalog","delimText":"","widgetClass":"BreadcrumbWidget","showCatalog":false,"ensembleSEOTranslationTypes":"ensemble","productSEOTranslationTypes":"product"}

Home
 
Gift Center
 
Save! Kits & Bundles
 
Orion Binocular Viewer for Telescopes with Sirius Eyepieces
Orion Telescopes
Images

{ width: 340, height: 340, defaultImage: '', layers: '20271' }

Orion Binocular Viewer for Telescopes with Sirius Eyepieces
Not Available
Accepted Payment
More Shipping Information
This product is no longer available for purchase.
  • With our Binocular Viewer and eyepiece pair package, you'll see added depth in every astronomical view
  • Includes thread-on 2x Barlow lens so you can choose two levels of magnification
  • Hinged aluminum Binocular Viewer housing contains fully multi-coated BAK-4 prisms for high light transmission
  • Includes two high-quality 1.25" 20mm Sirius Plossl eyepieces and a hard case for safe storage and transport
  • Compatible with 1.25" telescope focusers and diagonals


Learn more
Item #  20271
More Info

You were born with two eyes, so why not use both of 'em when stargazing with a telescope? Now you can with the Orion Binocular Viewer, and you will be pleasantly surprised at what a difference it makes. The effect is most pronounced on the planets and Moon, but even deep-sky objects seem to have more clarity and depth. And now this popular accessory comes with a thread-on 2x barlow lens, so you can choose two levels of magnification. The hinged aluminum housing contains fully multi-coated BAK-4 prisms that provide high light transmission. Individual helical focusing collars ensure a sharp focus for each eye. The viewer's 1.25" nosepiece is threaded to accept filters. This complete package includes two high-quality 1.25" 20mm Orion Sirius Plossl eyepieces, thread-on 2x Orion barlow lens and Orion case.

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.

Product Support
Visit our product support section for instruction manuals and more
In the Box
Orion 20mm Sirius Plössl Eyepieces
2x Barlow Lens
Orion hard carry case
Thumb screws
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
1-800-447-1001
Live Chat
Email Us

Why Buy From Orion

  • 30 Day Money Back Guarantee
  • Safe & Secure Shopping
  • Same Day Shipping
  • Easy Returns
  • Sale Price Guarantee
  • Free Technical Support
More Information

ABOUT SSL CERTIFICATES
HACKER SAFE certified sites prevent over 99.9% of hacker crime.

{"dragByHandle":true,"cssSelector":"ql-category","dragByBody":false,"widgetClass":"OverlayWidget","bindings":{"bind0":{"element":".Quicklook > .trigger","type":"quicklookselected","fn":"function(){$.fnProxy(arguments,\'#_widget1945194475047\',OverlayWidget.show,\'OverlayWidget.show\');}"},"bind1":{"element":".PagedDataSetFilmstripLoader > .trigger","type":"itemsloaded","fn":"function(event, startIndex, itemCount, newItems) { QuickLookWidget.assignEvents(newItems); $(\".Quicklook > .trigger\", newItems).bind(\"quicklookselected\", function(event, source, x, y) { OverlayWidget.show(\'#_widget1945194475047\', event, source, x, y); }); }"}},"effectOnHide":"fade","effectOnShowOptions":"{}","closeOnBackgroundClick":true,"effectOnHideOptions":"{}","effectOnShowSpeed":"","onScreenPadding":10,"allowOffScreenOverlay":false,"effectOnHideSpeed":"1200","effectOnShow":"fade","captureClicks":true}

HACKER SAFE certified sites prevent over 99.9% of hacker crime.

ABOUT SSL CERTIFICATES
Payment Options
Since 1975

Why Buy From Orion

  • 30 Day Money Back Guarantee
  • Safe & Secure Shopping
  • Same Day Shipping
  • Easy Returns
  • Sale Price Guarantee
  • Free Technical Support
More Information
Shop our Catalog

Shop Our Catalogs

Check out our colorful catalogs, filled with hundreds of quality products.

See the eCatalogs Request a Print Catalog

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!