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To sample colors for this image using Photoshop, I first converted to 8-bit Mode and then applied Filter > Pixelate > Mosaic with a Cell Size of 200 square. The resulting palette is pretty cool!
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Nikon D300; f8 @ 1/125 sec, ISO 3200 (handheld);
18.0-200.0 mm f/3.5-5.6 @ 200mm (300mm EFL); focus distance .67m