This paper elucidates the effect of ISO speed setting function of digital cameras on the photographic image quality.

本文就数码相机功能中的IS O感光度数值的调整对图像质量的影响作一论述。

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Thanks to the ultra-high ISO speed of the CMOS sensor, movie shooting in low-light situations, while often difficult for a dedicated camcorder, can now be achieved with the EOS 1d Mark IV.

在极端的CMOS高感光度由于传感器，在弱光下拍摄的电影，而往往是困难的一个专门的摄像机，现在可以用在EOS维马克iv实现。

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It is ideal for those who have an understanding of ISO, aperture, shutter speed, white balance and how to change these on your digital SLR or bridge camera.

这门课同样适合那些懂得IS O感光度、光圈、快门速度、白平衡等摄影知识并能用自己的数码单反或桥梁相机设置这些参数的同学。

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The result is a sensor that offers the best possible noise performance over all ISO speed conditions.

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They are automatically superimposed by the camera to create one low-noise photo at the selected ISO speed.

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Great even in low light, the camera's 12.1-megapixel High-Sensitivity CMOS image sensor and DIGIC 5 image processor combine and deliver on Canon's HS SYSTEM helping ensure detail is captured even in dark or shadowed areas at a maximum ISO speed of up to 6400.

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