Askar 107PHQ - 107 mm f/7 Quadruplet Air Spaced Astrograph - 107PHQ Telescope Bundles and the other side has

and the other side has the same threads and will connect to all of the applicable accessories in the Tele Vue Imaging System

Just supply your own tracking mount or purchase one from Sky-Watcher USA

Note:  The installation images below show the EAFN being installed

as the filter serves well in blocking natural skyglow

25" Features

Askar 107PHQ - 107 mm f/7 Quadruplet Air Spaced Astrograph - 107PHQ Telescope Bundles and the other side hasThe Askar 130PHQ is a long focal ratio, flat field quadruplet astrograph. Instead of buying extra flatteners, calculating the back focus for your flattener and then adding extensions or adapters to match the calculated distance, astrophotographers can simply equip the Askar 107PHQ with any imaging device, keep the target in focus, and then the whole optical system is ready for imaging. The 107PHQ has an aperture of 107 mm, a focal ratio of f 7, and a