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Electronic Focusing Kit

Starlight Instruments offers a variety of electronic focusing options which fit most everybody's astronomy needs.  Starlight Instruments offers 3 types of motors:  The HSM motors which gives you the finest resolution, has a thermistor built onto the motor circuit board for a more accurate temperature reading, and has an over-ride mechanism which allows for fine and coarse focusing with the motor attached.

The Posi Drive motor (PDMS) which attaches to the pinon shaft for greater lifting capacity and also has a thermistor built onto the motor circuit board.  We offer this type of motor for all Feather Touch focusers and non-Feather Touch focusers.

The MSM motors work with the Micro Touch elctronic focusing kit and can also be used with the Starlight Instruments Electronic Focusing System.

The HSM20 will fit any Feather Touch Micro Focuser, Feather Touch retrofit pinion assembly upgrade, or 2.0" Feather Touch Crayford focuser.

The HSM/30 will fit any 2.5", 3.0" or 2.0" Feather Touch Rack/Pinion focuser, and 2.7" Astro-Physics focuser with Feather Touch upgrade.

The HSM35 will fit any 3.5" Feather Touch focuser and 3.5" and 4.0" Astro-Physics focuser with Feather Touch upgrade.

Stalight Instruments EFS
Stalight Instruments EFS
Focuser Boss II
Focuser Boss II
Micro Touch
Micro Touch