Nikon P510 vs Canon SX40 HS vs Sony HX200V - Comparison Review

Nikon has recently announced the Coolpix P510, a new superzoom digital camera with a lens with 45x optical zoom (24-1000mm 35mm equiv). A 1000m focal length is the longest magnification we have to date in point-and-shoot cameras, longer than the 840mm of

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