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I have 2-3 Images were Stripes appear when cuting Blue illumination. I tried the same with Photoshop and no Stripes appear. Also the Image does not contain any visable stripes at any Gamma setting. Although I have to say that the Image was composed with AutoPano.
Edit: I just checked and the stripes are also introduced when viewing the original RAW camera files, but are not visible when opening them in Photoshop.
Hey. I just tried to edit the RAW file in PS very heavily and it is a problem with my Canon EOS M3. I also edited sample JPEG from dpreview.com from an EOS M3 and found similar stripes. although they were not so pronounced.
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Perhaps you've cut the blue illumination or saturation or luminance or whatever a little too aggressively.
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Yes, lots of evenly spaced white vertical stripes in those clouds.
Can you link us to an example raw file? (You may need to use a sharing site like Dropbox.com or the like.)
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Sry for the long wait. I've been back in the mountains again.
https://1drv.ms/u/s!AjCxCzonO81lhq10sslICsNTNWF71g
This is th original RAW file. (from one part of the image)
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After importing the CR2 file, I played with the camera calibration panel, tested with the GPU on and off, and in general I just played with the adjustment settings. Unfortunately, I cannot repro the problem in LR 2015.12 on my Win10 box.
The image from the OP looks like a pano. If it is, do the separate images show the problem?
OK, now playing with the b&w panel, moving the blue slider all the way to -100 shows the evenly-spaced white stripes.
Moving the aqua slider to +100 enhances the stripes more.
Trying a few other raw converters
ACDsee - convert to b&w, blue -100, purple -100, shows each stripe as two parallel lines instead of as a stripe.
PaintShop Pro x9 - Same as ACDsee but takes a bit more effort to see it.
From what I can tell using 3 separate raw converters, these stripes/lines are actually in the raw file. This could be a hardware problem on the Canon camera or maybe a software problem in the firmware. As a Nikon user, I don't know enough about the Canon DSLRs.
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Hey. I just tried to edit the RAW file in PS very heavily and it is a problem with my Canon EOS M3. I also edited sample JPEG from dpreview.com from an EOS M3 and found similar stripes. although they were not so pronounced.