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I bought the Florence Henderson and Shirley Jones clips disc. This shows a lot about TK-41 cameras:
1) The exposure and color balance in these clips was fine for skin tones, but the dynamic range, especially for lowlights, was poor compared to a current camera.
2) The lowlight shading was all over the place from clip to clip
3) The TK-41 green hair problem due to polarization of back light showed up several times
4) Faint image orthicon ghosting could be seen in some shots
5) Not a lot of noise reduction was done on these shots; the MPEG coding really messed up the nature of the noise; if you still-frame you can see that the background noise is no longer Gaussian, but is a spattering of MPEG artifacts trying to reproduce the noise
6) It was a good thing that home sets were roundies and had too much overscan, because there were image defects in the corners.
7) The edge/corner problems varied greatly from camera to camera; one had strong left side ringing and non-linearity; another had green shading in the corners
8) Sometimes shows went on the air with one camera drifted badly out of registration (one had a red dynamic misregistration that got worse toward the upper left; another had a bad blue misregistration (vertically) that showed blatantly in the middle left of the viewable area.
9) The cameras, once adjusted for best color tracking (matching of channels, registration) seldom made the ultimate level of resolution that a single image orthicon was capable of; this was compensated by rather heavy edge enhancements in these transfers - how much was in the original source is hard to say; comb filtering must have been used in the transfer, as there was no crosscolor except on a diamond-pattern trellis.
I want to repeat that the facial tones were well matched even though the source tapes were from multiple programs over a six-year period. I have seen worse than this, for example in the Dean Martin show DVDs.
Technical comments aside, these are great examples of straight-forward musical productions with a singer on a live mic and backed up by a good orchestra.
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