EarthWin Optical

Owned by Bill & Victoria Dankmeyer, our goal at EarthWin Optical is to produce affordable, professional quality binoviewing systems that are easy to operate in all types of telescope designs. With 11 years experience in binoviewer design and co-holder of the patented Power X Switch, we are proud to bring to the astronomy community innovative and versatile systems to help today’s visual astronomer enjoy the comfort of observing with two eyes.

Our “All in One” Power/Filter Slide features the Patented Power Switch integrated with our uniquely designed filter slide, giving the user convenience and ease of control through all functions, while using either a binoviewer or single eyepiece. Our new and improved dioptor design is self-centering,very smooth with high accuracy and standard equipment on all our binoviewers. Each EarthWin binoviewer system is made to order by Bill Dankmeyer from start to finish and backed by our excellent customer service record.