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I've been told the information in a 4k image from a 4k sensor is anything from 33% to 70% on a bayer sensor. I am so confused with so much misinformation around. I've looked through the forums and learned a lot about this topic. But it never answered this question. - Is 422 from a 4k sensor real 4k 422? - Exactly how much real color information is in a 4k sensor at 4k resolution (pixels)? You get the jagged edges when trying to key a 420 image... Why would a 4k 422 sampling from a 4k sensor be any different. If its not enough information there will it look like 420 even at 422?
Hi everybody, I'm reading David Stump's digital cinematography manual and I need a couple of clarification. Is BAYER FILTER ARRAY (or any other color filter mosaic) used in both RAW or RGB signal output cameras? And does it have something to do with it or that's just a way that the sensor read the lights and it's independent from the file format? It's kind of confusing to me because I wonder if the Bayer CFA is used only when shooting raw or if it's just a system that is independent from the FILE FORMAT. Thanks in advance for the help!