What is this spot?

Started 1 month ago | Photos thread
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Pocket Lint Senior Member • Posts: 1,197
What is this spot?

Is this dust or debris on my sensor or lens? I just got this camera brand new not even a week ago and see this.

It’s not that prominent from f5.6 and wider, but it is noticeable after f/5.6 and this is a problem for me because I plan to use this lens stopped down quite a bit.

 Pocket Lint's gear list:Pocket Lint's gear list
Canon EOS 5D Mark IV Fujifilm X-Pro3 Canon EF 50mm f/1.2L USM Canon EF 100-400mm F4.5-5.6L IS II Canon EF 16-35mm F2.8L III USM +3 more
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