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Buy.com Tip: Don't get too caught up in the “megapixel race.” You aren't going to be left behind if you don't have the very latest and best as soon as it comes out. For most purposes, 200 dpi is enough - and provides a very sharp print. With resolution of around 3,000 pixels by 2,000 pixels, a 6MP camera can provide an enlargement up to about 10” x 15” without excessive “grain.”