6SL3352-1AG35-8NA1

6SL3352-1AG35-8NA1

6SL3352-1AG35-8NA1

6SL3352-1AG35-8NA1

用普通人能理解的话来说，要让景物的某个部分清晰成像，就需要对那一部分对焦。假设现在要拍摄一个物点。为了清晰成像，这个点发出的光线应该聚集在传感器的一个点上。

什么是“合焦”？

在摄影中，如果一张照片上被摄物有锐利的边缘，并且所有边缘都锐利，我么就说它“合焦”了。

对焦工作在镜头内部通过移动一或多枚镜片的位置来实现。移动镜片，就会改变通过光线的路线，从而改变光线聚焦的位置。理想情况下，我们希望光线地聚焦在传感器上，此时就成为合焦。

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