I then exported to JPEG, full size (compression 80) with Output sharpening Screen Standard. They all looked rather dark at that stage, so I increased the Exposure back up by one stop. Then Highlights -83, Clarity +21, Vibrance -12, Sharpening 100 Radius 1.0 Mask 60. This often increases the brightness more than I like, so I decreased the Exposure by 1 stop. I wanted to see if they responded differently to processing and so processed them all as follows (these are not necessarily settings I would actually use btw, I was just using some non-trivial adjustments to see if I could induce a different response as between raw and DNG Versions). I imported all 146 raw and DNG files into Lightroom. These were images of flowers and invertebrates. I did not notice any differences in geometry, colour, tonal distribution or sharpness/detail in any of the pairs. This is the technique I use to identify differences between differently processed images, and the technique makes differences jump out at you, including quite minor differences. I then compared the pairs in Faststone Image Viewer, with the second image of each pair exactly overlaying the first one. I imported all 236 raw and DNG files into Lightroom using default parameters and then exported them to JPEG 1300 pixels high. These were images of flowers (lots of different, subtle colours), birds and kites (the things flown on the ends of pieces of string, not the birds). CR2 files to DNG using Adobe DNG converter.
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