On 06/12/2020 00:40, Dave Plowman (News) wrote:

Correct. The resolution of a CRT depends on the number of 'pixels' per
square unit. Very small tubes generally have about the same as larger ones
- so actually poorer resolution.


But what about monochrome tubes? My old Sony 9-9OUB and various Rigondas
and Vegas, and little CCTV monitors, seemed sharp enough back in the day.

Bill