weird grid banding issue?

Started 3 months ago | Discussions thread
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cgrau New Member • Posts: 5
weird grid banding issue?

Hi,

Can anyone here explain the odd parabolic grid lines showing up in this photo? This is a 3 exposure B&W HDR using Easy HDR3. I can't for the life of me figure out how those lines got there. I have seen examples of "banding" before, but not like this.

Thanks for any help anyone can provide!

-Chris

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