EOS R6 Vertical lines in background of photo

[Sborg]

Pic taken with the Canon R6 and the RF 100-500mm.

Would like ideas regarding what could be causing the fine vertical lines in the background of the photo.

[jrhoffman75]

Looks like you used some processing tool to blur the background. 

[p4pictures]

Use Canon Digital Photo Professional to open the camera original image, either RAW or JPG. If the lines are not visible then it is down to the software, tools or actions you have used to process the photo. 

[Sborg]

The lines are in the original photo, before processing with DPP.

[p4pictures]

Does the issue appear in all other photos, or just this one?

Can you possibly make a screenshot of the camera settings for the original image from DPP, no processing needed, just press CTRL I (Windows) or CMD I (Mac). It should look something like the one below, which is from one of my images.

[jrhoffman75]

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@Sborg wrote:

The lines are in the original photo, before processing with DPP.

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Can you post a link to the original .CR3 image?

[Sborg]

I tried attaching the .cr3 to this response and I get a message saying that file type is not supported.

[Sborg]

No.  Just DPP for the post-processing.

[jrhoffman75]

You would need to upload it to Dropbox or One Drive and post the link. 

[Sborg]

See attached.  Sorry, I couldn't manage one screenshot.