>why does jewelry not sparkle dramatically on TV today, like it does in black-and-white shows from the ’50s? My main point of reference here is What’s My Line, which was a live studio show. It seems like it should work the same, unless there’s something peculiar about the camera that causes that effect? Or do they tell people on TV now not to wear jewelry like that?
In part it is that people choose not to (and sometimes are not permitted to) wear jewellery like they did back in the day, and in part it is something peculiar with the cameras. Back in the day, cameras were a lot less sensitive, so in order to film a TV show the studios had to be brilliantly lit. All those studio lights reflected off of the jewellery, producing the flashing you see on those old shows. It also took longer for the phosphors on those older cameras to “reset”, so a flash would temporarily blind the camera, making the flash more noticeable.
Today’s cameras are more sensitive, so less light is needed to film the subjects. Some cameras may even have anti-glare circuitry to deal with the odd jewel flare. Lighting techniques are different as well, with more indirect flood lighting rather than spotlights.
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