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| p.61 #6 · Sigma DP2 Merrill: Have any of you tried it? |
I got a comprehensive message full of tips and valuable information from marcus riley some days ago based on the raw file of my last image. He suggested overexposing the image a bit, as Foveon sensor seems to be not doing so favorably with underexposure. Encouraged by this, I went out yesterday and tried 5 different landscape scenes, taking ISO100 images on each and every one. I bracketed every scene -1/0/+1 in aperture priority mode, and even went further to do two with -2/-1/0/+1/+2.
I didn't get the lines visible in any image, as it was afternoon with some light still available. However after fixing every image to match my wanted exposure (usually very close to "zero level" metering), I found +1 exposure to produce quality most favorable to my eye. I can't define the reasons why, but I chose exposure from every scene set after correcting the exposure to same level in each individual file. Without knowing which was which, on 4 out of 5 scenes the image exposed over by one stop and corrected in post processing was chosen.
I also tried some rather extreme post processing with one scene in Color Efex Pro, and wasn't able to see the lines. I'll try the bracketing again in a scene with very little light available, when I have time. But from now on, I'll be using +0.3 to +1.0 exposure correction as a standard depending on the scene.
Here's the scene which I intentionally edited to "unrealistic" look.
I must visit Finland ,-D