6.3mp 8.3mp Usb3.0 Sony Imx178 Imx485 Astronomical Telescope With St4 Auto Guiding Port Deep Sky Astronomical Telescope Camera - Microscope Parts & Accessories - AliExpress
Spectrum ST4 DIY Motor Port Connector Set
Two (2) USB to I/O Port Cable for Spectrum ST4
ASI178MM Cooled - No ST4 Port - Experienced Deep Sky Imaging - Cloudy Nights
How to set up a guiding system for your EQ5 mount on a budget.