Baader Hyperion 2" Fine-Tuning Stop Ring - HYP-STOP Eyepiece Case The 8X magnification provided by

The 8X magnification provided by this finder will bring objects just a little closer that a 5X or 6X finder

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

Focal Length:                      18

The dual rings securing your finder have three point adjustment knobs

Baader Hyperion 2" Fine-Tuning Stop Ring - HYP-STOP Eyepiece Case The 8X magnification provided byThe 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.