求翻译：Whether you want to make large prints or crop tightly in an image, the D7000 delivers the resolution you need. At its heart is a DX-format CMOS image sensor with 16.2 effective megapixels, optimally engineered to gather more quality light through sharp NIKKOR lenses. Coupled with 14-bit A/D conversion (12-bit selectable), the D7000 produces stunning images that are richer in tone and detail than previously possible in DX format. The A/D conversion happens within the sensor, thereby maintaining exceptional image integrity without sacrificing shooting speed or energy efficiency. Combine these with the agile DX format and its signature 1.5x focal length telephoto potential and you can begin to see where this kind of shooting power can take you.是什么意思？

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