William Optics 73 Stepper Motor Focus Adapter

William Optics 73 Stepper Motor Focus Adapter

thingiverse

This is a stepper motor adapter for the William Optics Zenithstar 73 II. This can be used with any of the "DIY" focusers that are out there. I printed at 20% infill and it performs nicely. Installation: Remove the temperature knob from the focuser Install motor with screws that will fit your stepper(M3 likely) Install coupler loosely and slide on to snug fit use the factory focuser lock thumb screw to secure and tighten the coupler screws

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