Orion 10101 1/4-Inch-20 Adapter for EQ-2 Telescope Mount Provides threaded post for attaching instruments equipped with a 1/4"-20 threaded socket Useful for attaching small telescopes and spotting scopes to the EQ-2 equatorial mount Also can be used to attach cameras to the EQ-2 mount and tripod for a focal or star-trail astrophotography Attaches directly to EQ-2 mount head and provides 1/4"-20 threaded post Hardware included