Nikon has added four new members to its Coolpix compact camera lineup, including a 12.1MP model equipped with a built-in projector called the S1000pj. Also introduced today is the 12.2MP S640, which Nikon describes as having "ultra-fast auto-focus," the 12.1MP S70, which utilizes a 3.5-inch (diagonal) OLED rear display for promised better screen quality and the budget-friendly 12MP S570.

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