ZWO ASIAIR | UPDATE: The ST4 cable is not required when using the Celestron CGEM DX Mount with the ASIAir and using Skywatcher SynScan as the mount setting | Facebook
TELESCOPE CAMERA ST4 AUTO GUIDE CABLE | eBay
TELESCOPE CAMERA ST4 AUTO GUIDE CABLE | eBay
ST4 Compatible Autoguider Cable 2M – Player One Astronomy