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According to a curious post over at Photofan.jp, Sony is readying an Alpha A800 DSLR (mockup pictured) with a 15.2 megapixel sensor, an ISO range of 200 to 12,800, a new high-speed sync flash, 23 total AF sensors, a fresh metering / AF sensor tracking system and inbuilt WiFi.

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 http://www.engadget.com/2009/01/22/15-2-megapixel-sony-alpha-a800-dslr-rumored/