My mistake you all for posting this in questions instead of discussions.

A better extra info on how to work with old digital cameras: https://nofilmschool.com/boards/discussions/how-work-8-bit-420-camera

Okay I have to admit, what I say is kind of confusing to people reading this what 8-bit 4:2:0 is. Here is a video explanation about it: https://www.youtube.com/watch?v=prlQCQHLz8o&list=TLPQMDUxMDIwMjB2HlIrJYt...

Here is some extra info on how to work with old digital cameras:
https://nofilmschool.com/boards/questions/how-work-8-bit-420-camera

....To prove what I say even further notice how I at one point put a jar of jelly beans of many colors is in shadow and how much noise and how much of a hard time the camera is reading it in high ISOs, I then put the jar of jelly beans closer to a good amount of light and thus the camera read the colors easier and there was less noise on the jelly beans.

As well as adding diffusion and the use of reflectors.