Where such effects did happen was mostly in the signal being fed into the CRT, which ranged from the horrid (RF, composite) to the not-so-terrible (S-Video, component) to the sublime (SCART RGB ...

Finding a decent CRT TV can be challenging ... but I could be wrong. There's sadly no RGB, component, or SCART to be found here, but there are two S-Video inputs, and that's plenty for my needs.

The Raspberry Pi 5 already has composite video out, but now it can do interlaced RGB via DPI for sharper CRT output via SCART ...

These were among the very best CRT tubes of the day ... Here in 2022 a look at the monitor’s 40-pin connector reveals a standard RGB interface which the service manual confirms is within ...