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Orion 100 mm Tube Rings - 3.9" - 07371

SKU: ORI-07371

Orion 100mm ID (3.9”) Tube Rings

Orion Telescope Tube Rings allow you to securely attach a telescope optical tube to any Orion Equatorial or Altazimuth telescope mount. This 100mm ID ring set is made of cast-aluminum and features quick-release, hinged clamp knobs and a soft felt lining. One ring has a 1/4"-20 piggyback camera adapter, while the other has a threaded 1/4"-20 hole. For use with Orion EQ-1, EQ-2, EQ-3, or AZ-3 telescope mounts.

Tube Ring Reference Guide

Item Number Ring Inside Diameter (ID) Rings Fit
07369 76 mm (3.0") Orion Observer 70 refractor telescope
07370 90 mm (3.5") Orion AstroView/Explorer 90 Refractor Telescopes, Orion ShortTube 80 Refractor Telescope, 80mm f/11 telescope optical tube assembly
07371 100 mm (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
07372 116 mm (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
07373 140 mm (5.5") Orion ShortTube 4.5 Reflector Telescope, Orion StarBlast 4.5 Astro Reflector Telescope
07374 144 mm (5.67") Orion Apex/StarMax 127 Maksutov-Cassegrain telescopes, Orion SkyView Pro 127 Maksutov-Cassegrain
07375 182 mm (7.2") Orion SkyView Pro 6 and 6LT reflector telescopes, 150mm f/8.0 telescope optical tube assembly
07376 235 mm (9.25") Orion SkyView Pro 8 Reflector Telescope, Orion Atlas 8 Reflector Telescope, 203 mm f/4.9 telescope optical tube assembly
07377 298 mm (11.7") Orion Atlas 10 Reflector Telescope, 254mm f/4.7 telescope optical tube assembly