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Here's a good example of the difference between using IOs above the knee and below the knee with explicit gamma correction.
The game program "What's My Line" was broadcast and kinescope recorded in monochrome until 1966. It then went to color, but was still kinescoped in monochrome. The early color tapes were erased, but the monochrome kinescopes of the color shows survive. Compare the rendition in these two episodes: From color camera with gamma correction (1967): https://www.youtube.com/watch?v=D52ks7-G0PA With monochrome cameras operated above the knee (1955) For example, see at 00:40 the dark halo around the performer and at 01:25 the dark halo around the game box in the picture. https://www.youtube.com/watch?v=3fKzmCHAWPc Last edited by old_tv_nut; 07-13-2018 at 06:10 PM. |
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