Is this a sensor issue?

[julianf73]

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I am noticing this pattern on a lot of my images lately. Taken with an M9, that already had its sensor replaced 2 years ago.

 

Is this sensor corrosion, or are my eyes fooled by digital "grain"? (this is an enlargement of a small section of the image)

 

Thanks for the input!

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[Luke_Miller]

I don't see anything that resembles corrosion.  Possibly jpeg artifacts?

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[pop]

This could be caused by excessive compression when storing the image in the JPEG format. Also, it seems that you enlarged the part of the picture to more than 100% of its original size. This tends to cause artefacts similar to those in your sample.

[happymac]

Seems to be developed with Adobe Lightroom.

Try developing the same raw picture with Capture One Pro (download the tryout version) and the artifacts, grain, or whatever this may be, will be gone.

 

Tom

Edited July 10, 2017 by happymac

[bozu_shutterbugger]

Can you post the full image? Along with EXIF data. 

[jaapv]

I would say noise and incorrect sharpening and noise reduction settings. Maybe processed in 8 bits too.

[happymac]

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[happymac]

paulmac,

 

I would appreciate it, if you report your experiences here.

 

Thanks,

Tom