Baader Mark IV Hyperion 8-24mm ClickStop Zoom Eyepiece 10997 The Atik Horizon II is

The Atik Horizon II is natively compatible with our Infinity live stacking software to give you incredible views of the night sky in a near real-time environment

That aside

The base can be left permanently mounted on the telescope and the Telrad can be removed with two thumbscrews

With a tube weight of 14

Baader Mark IV Hyperion 8-24mm ClickStop Zoom Eyepiece 10997 The Atik Horizon II is8mm 24mm Zoom 50 to 68 FoV 1. 25" and 2" Fit Hyperion Universal Zoom Mark IV: fourth generation of Baader Zoom, 68 Widefield eyepiece with five magnifications focal lenghts 8, 12, 16, 20 and 24mm clearly defined with "smoothed out" improved Clickstop Action (a must for effortless binoviewing) Long eye relief, perfectly matched to the human eye. Flatfield design sharp right to the edge of field High Quality Phantom Coating Group Multicoatings! For