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What are these circular artifacts on the photo?
What are these circular artifacts on the photo? Hi all - I've had this happen before, mainly when bumping exposure/ shadows up in LR in post from a super dimly lit scene. No filter on the lens. This particular photo was shot at f/4, 24mm, 1/60, ISO 20,000. I have other ones shot at different ISO (8000), shutter speed, etc. with the same artifact. https://preview.redd.it/lplm0kh89zkb1.png?widt...
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