Astromania 1/4"-20 Adapter - Fits Orion EQ-2 Telescope Mounts. Provides threaded post for attaching instruments equipped with a 1/4"-20 threaded socket. Installs securely onto mount head of Orion EQ-2 equatorial mounts. Useful for attaching small telescopes and spotting scopes to the EQ-2 equatorial mount. Hardware included. Knurled wheel makes it easy to attach and detach 1/4"-20 equipped instruments. Also can be used to attach cameras to the EQ-2 mount and tripod for afocal or star-trail astrophotography. Vital accessory for obtaining star-trail photos with your EQ-2 mount and a camera. Attaches directly to EQ-2 mount head and provides 1/4"-20 threaded post.