This iOptron Electric Focuser (eFocuser) is designed for iOptron PhotronTM Ritchey-Chrétien (RC) telescope dual-speed focuser. Now you can focus the telescope by pushing a hand controller button. it is compatible to most iOptron later version mounts. This Electric Focuser will also fit other RC scopes such as GSO, TPO (from OPT), Astro-Tech (from Astronomics), and Orion. It may work with other RC scopes use the similar dual-speed focuser. Manual: Installation and Operation Manual Firmware: Not available Specifications OTA iOptron Photron TM RC Scope (6",8" and 10") Driving train Stepper motor with synchronous belt Connection Via iOptron PORT on the mount Control iOptron Go2Nova hand controller Focuser speed Low, medium, high Dimensions 54 X 56 X 82mm Weight 1.2 lbs Warranty One year limited
