I'm wondering about two points.... (1) I think it's actually 16:9 which will cut a portion of the frame ? The sensor is native 4:3, and that's why only when you shoot in 4:3 can you enjoy the full native highest 23M pixel resolution. Otherwise, if you shoot in 16:9, it will cut the top and bottle parts of the 4:3 frame to create the resulting wide aspect ratio like letterbox, and hence reduced to 20M pixel resolution. So, for the sake of this defect checking test, aren't we supposed to use the full 23M 4:3 format to cover the whole effective sensor ? (2) A previous post suggests to standardize our tests using 8M pixel resolution, but may I know why 8M ? Isn't it the higher the pixel resolution, the easier we can spot any blurring defects when reviewing on a large screen in original resolution ? Thank you
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