Oasis Focuser Motorized Focuser With Clutch-clutchable High Precision Large Load Small Backlash Bluetooth Controlled Focusing - Telescope & Binoculars - AliExpress
MoonLite Telescope Accessories
DIY USB Motor Control for Focuser - DIY Astronomer - Stargazers Lounge
Celestron Electronic Focus Motor For SCT and EdgeHD | Astronomics.com