Sony a7IV: net lines effect show in picture

[just_justin]

hi, I'm using sony a7IV with 70-200mm GM II. And after export the image from Lightroom, I see this net lines showing in my pictures.

I'm not sure if it's the camera/lens/lightroom caused this issue. Anyone has similar experience.

Example image attached.

 

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[Pieter]

I'm not entirely sure but I recall someone had similar issues with a 200-600 mm lens. If I remember correctly it turned out his UV filter was the culprit. If you have one on, try removing it and check if the issue persists.

[just_justin]

15 hours ago, Pieter said:

I'm not entirely sure but I recall someone had similar issues with a 200-600 mm lens. If I remember correctly it turned out his UV filter was the culprit. If you have one on, try removing it and check if the issue persists.

Thanks for the response Pieter. No, I didn't have any filter on

[Pieter]

Is the issue only in the jpegs produced by your camera, in the RAW files or both?

[just_justin]

17 hours ago, Pieter said:

Is the issue only in the jpegs produced by your camera, in the RAW files or both?

It doesn't really show on the RAW file. I also posted on the Lightroom forum. And here's a reply. Not sure if it's the same issue.

https://community.adobe.com/t5/lightroom-classic-discussions/grid-lines-show-in-picture/m-p/13478335#M306386