6" f/10 Maksutov-Cassegrain. Excellent condition optically, cosmetically it has a superficial scratch on the back plate (see top left picture). Has bottom rail for mounting on GP-type mount.
Includes 12x55 finder, padded case, lens cover, screw-on visual back cover, 1 1/4" diagonal, threaded back for SCT accessories like focal reducers/correctors. Comes with the following extras: Orion red-dot finder, Orion dew shield.
Asking $750 + shipping.