Product Information
- Set of two 100mm inside diameter cast-aluminum telescope tube rings with quick-release, hinged clamp knobs and felt lining
- One ring has 1/4"-20 piggyback camera adapter; the other tube ring has a threaded 1/4"-20 hole
- Sold in sets of two telescope tube rings with mounting bolts included
- Use with any Orion equatorial or altazimuth telescope mount - use with some mounts may require a tube ring mounting plate (sold separately)
- Inside diameter of each tube ring is 100mm - works with 100mm diameter telescope optical tubes
