尼康D90是尼康D80的升级版产品，是全球首款支持高清视频拍摄的数码单反。其搭载了一枚APS-C尺寸的CMOS感光元件，有效像素为1230万，并采用11点对焦，从而使对焦精度大大提升。D90融合了尼康特有的EXPEED数码影像处理概念，并具备720P高清动态视频摄像功能力，较好地满足摄影
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