Stiefel Beachten Zusammensetzen usb telescope focuser Übermäßig Runterdrücken systematisch
Motor focuser telescope.
RIGEL Systems Stepper Motor, USB nStep Focus Controller, free temperature sensor and Installation Kit for the Newtonian version of the Baader Steeltrack focuser (model 2957030)
Pierro Astro USB Focuser V2
DIY USB Motor Control for Focuser - DIY Astronomer - Stargazers Lounge