Walter Reed Hospital color tv's 1958

[KentTeffeteller]

And those TK 41 cameras needed the mighty light of 10,000 suns.

[old_tv_nut]

Originally Posted by KentTeffeteller

And those TK 41 cameras needed the mighty light of 10,000 suns.

Well, that's a slight exaggeration - more like 1/10 of direct sunlight.
The TK-45 3-vidicon camera used in the operating theater, however, needed 2500 foot-candles minimum according to RCA, about 1/2 of full sunlight.