The size of the illuminated area at the focal distance.

在焦点距离所照亮面积的的大小.

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Nokia : We use a new Active hyper focal distance system for video.

我们使用了一项名为“Activehyperfocaldistancesystem”的视频新技术.

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This may avoid remedy mistake because of the actual different focal distance brings from AS function.

这样可以避免AS功能启动是由于实际的焦距不同带来的矫正错误.

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But only with the right focal distance and correct aperture could we get the true pictures.

只有我们调对了焦距,对准了光圈,才有可能得到真实的图像.

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