Baader Hyperion 2" Fine-Tuning Stop Ring - HYP-STOP Eyepiece Case Focal Length: 18

Focal Length:                      18

Plastic and metal adjustable stand with 1/4-20 thread clip holder

Simply place your tripod legs on top of the pads to absorb shock and stabilize your telescope

The dual rings securing your finder have three point adjustment knobs

Baader Hyperion 2" Fine-Tuning Stop Ring - HYP-STOP Eyepiece Case Focal Length: 18The Baader Hyperion 2" Fine Tuning Stop Ring has a brass clamping ring with two thumbscrews. It is designed to keep the 1. 25" barrel of a Hyperion eyepiece that has been lengthened with fine tuning rings from touching the mirror or prism inside your 2" diagonal, and possibly scratching or marring the surface. Additionally, you could use the HYP STOP as a parfocalizing ring with any 2" barreled accessory.