The Narrowband Channel | Guide Cameras for Multistar Guiding, It's Revolutionary @TheNarrowbandChannel | Uploaded January 2022 | Updated October 2024, 1 day ago.
Multi Star Guiding has really improved guiding accuracy. To the point I would call it a revolution in guiding if you have the right camera. If you are still using an old camera then you will not see much of an improvement. In this video I will give my recommendations on which one to pick.

Here is the video about all those 4/3 sensors that Rob Trek and I did.
youtube.com/watch?v=YXFnTBK_ryU