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HSM---Handy Stepper Motor with manual focus over-ride

HSM---Handy Stepper Motor with manual focus over-ride
Click to enlarge
Price: $335.00
Model: HSM
Average Rating: Not Rated

Available Options:
Choose your Stepper Motor Size:

This "Handy" stepper motor unit works exclusively on the Focuser Boss II electronic focuser. 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 and the HSM30/35 has 24,300 steps per inch.

Please select the motor needed from the drop down box

The HSM20 motor unit fits the 2.0" Feather Touch focusers, MPA Retrofits (Takahashi and TeleVue), and Micro Feather Touch® Telescope Focusers for the SCT scopes.

The HSM30 motor unit fits the 2.0" Feather Touch Rack/Pinion focuser, 2.5" and 3.0" Feather Touch Rack/Pinion focusers, and the 2.7" Astro Physics focuser with the Feather Touch Upgrade.

The HSM35 motor unit fits the 3.5" Feather Touch Rack/Pinion focuser and the 4.0" Astro Physics focuser with the Feather Touch Upgrade.

The Tak option will fit any Takahashi 4" stock focuser.

Please click below for the installation instructions:

Installation Instructions

Installation Instructions for a Feather Touch Micro Focuser

Known To Fit Feather Touch focusers
Use with Focuser Boss II electronic focuser
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HSM---Handy Stepper Motor with manual focus over-ride
Click to enlarge
HSM---Handy Stepper Motor with manual focus over-ride
Click to enlarge