Brands - JMI



Orion 298mm Tube Rings


SKU: 07377
Manufacturer: Orion Telescopes and Binoculars


Set of two cast-aluminum telescope tube rings with quick-release, hinged clamp knobs and felt lining 
  • Use these tube rings to attach an Orion 254mm f/4.7 reflector telescope optical tube assembly to a mount or dovetail mounting plate
  • One tube ring has 1/4"-20 piggyback camera adapter; the other has threaded 1/4"-20 hole
  • For use with 10" (254mm) f/4.7 reflector optical tube assembly. Not compatible with Orion 10" f/3.9 Newtonian Astrograph Reflector. See compatibility table below.
  • Mounting bolts and washers are included

Orion's cast-aluminum tube ring set features quick-release, hinged clamp knobs and felt lining. Designed for use with Orion telescope mounts, they fit some other brands of mounts as well. One of the two rings in the set has a 1/4"-20 piggyback camera adapter on it, the other has a threaded 1/4"-20 hole. The piggyback camera adapter can be removed for mounting an adapter plate for a guide scope on top of the tube rings. For use with AstroView, SkyView Pro, Sirius or Atlas telescope mounts, you will also need a dovetail mounting plate.

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.

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