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Checkerboard pattern/ moire pattern

New Here ,
Nov 07, 2021 Nov 07, 2021

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Hi, I'm having issues with a checkerboard/moire pattern in dark areas of my photos. I shoot with a Leica Q2 monochrome and in camera raw the file looks fine but when I open it in PS(latest version) on a Mac M1 you see it and if I convert the image to RGB to use with Nik software the pattern gets worse. The pattern looks like a pincushion but reversed. This just statrted when I updated to the latest version of PS. Any ideas. Thanks Ed

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Adobe Community Professional ,
Nov 07, 2021 Nov 07, 2021

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Could you show us the pattern with a screenshot?

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New Here ,
Nov 07, 2021 Nov 07, 2021

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pattern.jpg

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Adobe Employee ,
Nov 14, 2021 Nov 14, 2021

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What zoom level in Photoshop are you seeing the pattern? Can you see it when the zoom level is set to 100%?

What are your settings in this preferences pane? 

JeffreyTranberry_0-1636922412822.png

 


Senior Product Manager - Customer Advocacy - Digital Imaging

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New Here ,
Nov 14, 2021 Nov 14, 2021

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In camera raw you don't see it. Once you open the file in photoshop you can
see it. You don't need to zoom.The photo was shot with a Leica
monochrome camera, and when I convert it to RGB to use with Nik software it
gets worse. If you click on the photo I submitted, you can see it right
away. I sent the photo to a friend of mine and he sees the pattern as well.

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Adobe Community Professional ,
Nov 14, 2021 Nov 14, 2021

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I can see the pattern in your attached screenshot, but does it disappear if you view your original image at 100% zoom? That zoom level maps 1 image pixel to 1 screen pixel and is the only zoom level that shows accurately what is in your image, as opposed to other zoom levels which integrate multiple image pixels onto screen pixels and can therefore introduce artefacts.

 

Dave

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New Here ,
Nov 14, 2021 Nov 14, 2021

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Yes I see the pattern at 100%. There are several photos from the same location of image capture that this pattern appears. I've looked at other photos that I shot previously with this camera and do not have an issue. I'm thinking that the files could be corrupted but I also shot other photos this same day and don't have any issues. That image iso is 40,000 and others range from 40,000 to 100,000. All have that pattern. I've shot at these isos before and have never had any issues. So don't know if it's just a freak accindent or something with the latest version of photoshop. Sony sd card which I've also used the entire time I've shot with this camera.

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