Dovetail mounting plates provide a platform for coupling telescope optical tubes to Orion AstroView, SkyView Pro, Sirius and Atlas equatorial mounts. Tube rings (sold separately) bolt on to the dovetail plate, which then fits into the dovetail slot on the equatorial head. Dovetail plates are made of extruded, anodized aluminum. Length: 13" Note: 13" dovetail plate comes standard with the Atlas mount.
From the Manufacturer
Provides a platform for coupling telescope optical tubes to Orion AstroView, SkyView Pro, Sirius, and Atlas equatorial (EQ) telescope mounts. Attach telescope tube rings (sold separately) to the dovetail mounting plate for easy, no-tools attachment of the telescope to an Orion EQ mount. Thirteen inch long plate is especially useful for longer focal length reflector and refractor telescopes. Made of extruded, anodized aluminum. Includes four optical axis offset adjustment screws