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Jeff Peterman | profile | all galleries >> Examinination of RAW format tree view | thumbnails | slideshow

Examinination of RAW format

For this test, I took a photo of a house at night, with the camera set to save both a RAW and a JPG file simultaneously. I deliberately underexposed the shot by 1 stop, to allow for the contrast between the dark background and the small bright lights. For the JPG, I applied some adjustments. For the RAW file, I first duplicated the process applied to the JPG - you can see that the resulting histogram is much cleaner than the one from the JPG. Then, I started from the RAW file again, brightened the image by applying +2 in the PS RAW utility and then applied some levels adjustment. The images, and the histograms, are shown. The second page shows the images lightened enough to show the trees in the background.
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Orginal JPG image
Orginal JPG image
Histogram from orginal JPG
Histogram from orginal JPG
Histogram showing selections
Histogram showing selections
JPG after applying levels
JPG after applying levels
Histogram from JPG after applying levels
Histogram from JPG after applying levels
Raw after JPG Levels applied
Raw after JPG Levels applied
Histogram of Raw After JPG levels applied
Histogram of Raw After JPG levels applied
Raw with +2 Exposure
Raw with +2 Exposure
Histogram from Raw +2 Exposure
Histogram from Raw +2 Exposure
Raw with +2 Exposure plus center level to 1.4
Raw with +2 Exposure plus center level to 1.4
100% crop of Raw +2 shot
100% crop of Raw +2 shot
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