/c16db2|4cb1_2607-X600flash.jpg
With a flash as powerful as the one on the X600, I have no idea why the exposure system would feel the need to push the sensitivity up to 400 ISO for a shot like this, resulting in a lot of image noise.
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/e81d21|afee_2607-X600fillflash.jpg
The same shot but taken using forced flash, which is powerful enough to fill in the shadows on the tree despite the bright sunlight coming the other way.
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/6bdba6|df31_2607-X600barrel.jpg
The X600 uses the same improved Sliding Lens System as the Optio S6, which produces much less barrel distortion, although there is still some curvature visible in this shot.
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