Pentax Optio S7 Debuts

Pentax updates its S series with the Optio S7, raising the megapixel count to 7.0 and bringing along a 3x optical zoom and 2.5-inch LCD viewscreen. Pentax follows suit with a number of other camera makers, trying to help users sharpen up their images by giving them faster response, raising the ISO to 1600. This…

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