Compare 298mm ID Orion Telescope Tube Rings298mm ID Orion Telescope Tube Rings Product Description:
Product Description
Our cast-aluminum tube rings feature quick-release, hinged clamp knobs and felt lining. Designed for use with Orion mounts, they fit some other brands of mounts as well. One of the two rings in each 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. Inside diameter (i.d.) is 298mm/11.7". One-year limited warranty.
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