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Forum: Troubleshooting and Beginner Help
03-14-2017, 01:23 AM
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I checked RawTherapee on Windows and the patters is there too. Now I am convinced that the issue is caused by the demosaicing algo.
Feel free to share my post.
VNG4 algorithm does not produce aforementioned pattern.
As for the suggestions that the output resolution might have something to do with the problem, I can see the pattern on many zoom levels in the editor view port and in exported output with couple of crop sizes.
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Forum: Troubleshooting and Beginner Help
03-13-2017, 03:52 PM
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I can confirm that the issue is indeed on the software side somehow, I just checked in a Lightroom trial and the photo is fine.
This is a relief but I will try to find out why other software is misbehaving and if it can be resolved.
I have to add, I am using Darktable and RawTherapee on and off for the last 3 years and this is the first time I faced something like this, I switched to DNG just recently so maybe that has something to do with it ?
Regardless, thanks to all of you for your quick replies.
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Forum: Troubleshooting and Beginner Help
03-13-2017, 02:58 PM
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The regularity of this pattern indeed suggests a software issue but I doubt it lays on the converter side since I tested more than one with the same result. I will reset camera firmware and monitor photos to see it this helped.
As for what Adam suggested, I don't have the camera with me now but I will post the result of that test.
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Forum: Troubleshooting and Beginner Help
03-13-2017, 02:25 PM
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Hello,
After my last photoshoot when I got the photos on my computer I noticed that most off the photos seem hazy, overall lack of contrast and color. at first I assumed that I must have had a lamp facing at a unfortunate angle and that the problem was caused by the reflection in the lens but when zoomed in I noticed strange maze or canvas like pattern all over the photo (attached 200% crop of the worst example).
I checked the exposure settings and everything looks normal, ISO 100, shutter 1/13, f 8, and I shoot with original K-5 in DNG format
At one point I was hoping that this might be caused by the software (I use darktable) but not all photos of that day are affected, its like 60 % and there are correct photos in between those 'affected', I attached a 200% crop of the 'clean' one for reference, both photos were taken in a span of 2 minutes same camera same lens.
Have anyone seen something like this before ? Could it be a camera firmware issue or is my sensor failing ?
any insight in this issue will be appreciated.
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