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Hi everyone, Hope someone can help or probably know this issue. So using sigma 85, 1.4 and sigma art 50 1.4 for portrait work. I have noticed two things. 1. When I use continuous, take 3 photos, I have noticed that somehow the images are sometimes bl...

Hi everyone,I recently bought a mark4. And after using the Sigma EX85 1.4 lens I am getting these weird circles on screen (see example). Never had this using the Mark3. Does anyone know this issue? Hope someone can help me out.Regards Haan