Quote:
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.
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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.