Orion 7377 298mm ID Telescope Tube Rings
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- 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
