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Orion Tube Rings for Optical Tube Assemblies
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Orion Tube Rings for Optical Tube Assemblies
$29.99 - $89.99
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  • Our cast-aluminum telescope tube rings feature quick-release, hinged clamp knobs and a felt lining for safe and secure attachment your telescope to an astronomy mount and tripod
  • One of the two tube rings in each pair features a 1/4"-20 piggyback camera adapter, the other has a threaded 1/4"-20 acceptor
  • The piggyback camera adapter can be removed in order to mount an adapter plate on top of the tube rings for astrophotographic use
  • Each pair of tube rings includes mounting hardware - requires a dovetail mounting plate (sold seperately) for attaching tube rings to Orion AstroView, SkyView Pro, Sirius, and Atlas equatorial mounts, and Orion SkyView AZ, VersaGo II, and TeleTrack AZ-G altazimuth mounts
  • Tube ring inside diameter is listed - choose the size that matches the outside diameter of your telescope tube
More Info

Orion Tube Rings for telescope Optical Tube Assemblies come as a set of two with quick-release, hinged clamp knobs for easy installation on your favorite telescope. Each tube rings features a felt lining to keep your telescope optical tube free of scratches. Mounting bolts and washers are included with each set of tube rings. A threaded piggy-back camera adapter is integrated on one of the two tube rings in each set. Many different sizes are available for almost any telescope.

Set of two rings includes mounting bolts and washers. Inside diameter (ID) is listed. Choose the size that matches the outside diameter of your telescope tube. See compatibility table below.

Tube Ring Reference Table
Item # Ring Inside Diameter (ID) Rings Fit
7369 76mm/3.0" Orion Observer 70 refractor telescope
7370 90mm/3.5" Orion AstroView/Explorer 90 Refractor Telescopes, Orion ShortTube 80 Refractor Telescope, 80mm f/11 telescope optical tube assembly
7371 100mm/3.9" Orion AstroView 100 Refractor Telescope, StarMax 90, Orion SkyView Pro 100mm Refractor Telescopes, Orion 80mm ED Refractor Telescopes, 100mm f/6 telescope optical tube assembly
7372 116mm/4.6" Orion Apex 102 Maksutov-Cassegrain Telescope, Orion AstroView 120/120ST Refractor Telescopes, 120mm f/5.0 and f/8.3 telescope optical tube assemblies
7373 140mm/5.5" Orion ShortTube 4.5 Reflector Telescope, Orion StarBlast 4.5 Astro Reflector Telescope
7374 144mm Orion Apex/StarMax 127 Maksutov-Cassegrain telescopes, Orion SkyView Pro 127 Maksutov-Cassegrain Telescope
7375 182mm/7.2" Orion SkyView Pro 6 and 6LT reflector telescopes, 150mm f/8.0 telescope optical tube assembly
7376 235mm/9.25" Orion SkyView Pro 8 Reflector Telescope, Orion Atlas 8 Reflector Telescope, 203mm f/4.9 telescope optical tube assembly
7377 298mm/11.7" Orion Atlas 10 Reflector Telescope, 254mm f/4.7 telescope optical tube assembly

Notes for Selecting Tube Rings:

Outer diameter (OD) of the telescope should match inner diameter (ID) of rings. If OD of the telescope is a little smaller than ID of the rings, that is OK; you can "shim" inside of rings with extra felt.

The column labeled "Rings Fit" can be used as a guide for selecting appropriate rings if you don't know the OD of the telescope.

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Why Buy From Orion

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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!