It is all about contrast

Another thing that is best for the old camera is to get as close as you can to the subject because of the resolution.

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