[1] The company was founded in 1989 by David Kriege, and is based in Lake Mills, Wisconsin[2] and operates globally.
[4] The primary mirrors range from 12.5 inches to 25 inches in diameter and are supplied by Optical Mechanics, Inc. (OMI) and Ostahowski Optics, while secondary ones are supplied by United Lens.
Accessories include the ServoCAT drive system,[5] JMI focusers, and Wildcard Innovations' Argo Navis Digital Telescope Computer (DTC).
They designated this series as Ultra Compact (UC), referring to their former one as 'Classic.'
[11] The Obsession 18-inch f/4.2 UC (Ultra Compact) won a Sky & Telescope Magazine Hot Product of 2008 Award.