Behind the scenes UK experimental colour transmission 1957

[wa2ise]

Originally Posted by old_tv_nut

Movies 48 Hz, 20 ft-lamberts;
TV, 50 Hz, 29 ft-lamberts
TV, 60 Hz, 180 ft-lamberts

...

It also states that the threshold is strongly dependent on the size of the flickering area, the surround brightness, and etc.

I found that I needed to set my CRT based 17 inch VGA monitor to 85Hz to avoid flicker. It's only moderately bright, but only 40cm from my nose. That would relate to a large area as seen by my eye.