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Starlight Instruments HSM20 Handy Stepper Motor is designed for Feather Touch for Celestron SC and EdgeHD telescopes. This motor needs the Focuser Boss II electronic focuser to work. The design of this motor housing allows you to still be able to manually turn the focus knob on the focuser by simply turning the over-ride knob on the motor housing. This motor has a built-in temperature thermistor for temperature control through the Focuser Boss II digital system. The HSM20 has 19,450 steps per inch.
|Type:||SCT Micro Focuser|
|Micrometric focus knob||No|
|Loading up to (Kg)||No|
|Thickness when closed (mm)||No|