1吋感光元件到底是多大?

图像感应器的大小完全不同
■35mm胶片 ■全画幅图像感应器
35mm胶片相机所能拍摄的部分 具有与35mm胶片同等面积的全幅图像感应
器。照片为EOS 5D所采用的有效像素为
1280万像素的CMOS图像感应器。
■APS-C尺寸图像感应器 ■小型数码相机的图像感应器
现在最普及的数码单反相机所采用的图
像感应器。照片为EOS 450D所采用的有
效像素为1220万像素的CMOS图像感应器。
图中为1/2英寸图像感应器。1/2.5英
寸的图像感应器与之相比面积更小。
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