Obsession Telescopes is an American telescope manufacturer that specializes in Dobsonian telescopes. Founded in 1989 by David Kriege, the company is based in Lake Mills, Wisconsin. It sells large aperture telescopes throughout the world. An example of a telescope they have produced is a Dobsonian with a 12.5 inch mirror. They have also produced telescopes with computerized positioning. The company is noted as a pioneer in amateur astronomy and is an important and the most major producer of Dobsonian telescopes. Around 1987 the founder, Kriege, went to a star party and experienced a Dobsonian telescope, and then built Obsession 1 at this time astronomy was a hobby (this is before founding OT). The style of telescope was unique early on but over time became more popular. One style of Dobsoni