SHARPSTAR 2.5" 0.8x REDUCER FOR RC M-Zero 81″ back focus will use

81″ back focus will use the 200166 focal reducer

This adapter is designed to connect C and CS lenses to ZWO cameras with M42 thread

The recommended power supplied to the dew heater is 0

Wi-Fi adapter OR hand controller

it can be rotated 360° to perfectly frame the subject and it has a reduction gear of 10:1 for precise focusing

SHARPSTAR 2.5" 0.8x REDUCER FOR RC M-Zero 81″ back focus will useThe Sharpstar 2. 5" 0. 8x corrector reducer for Ritchey Chretien telescopes is compatible with GSO and other RC telescopes with a focal ratio of f 6 to f 9. Only compatible with 10" 16" telescopes. It offers excellent correction across full frame and illuminates a 44mm image circle. The working distance between the flattener and the sensor is 74mm from the M68 thread. The reducer includes a removable adapter with an M78 x 1 thread for connection only