最大景深的设定方法

The method of Setting Up the Maximal Field Depth

本文叙述了在镜头焦距、光圈系数一定的条件下,如何设定物距,以使景深最大的简捷新方法。

This article describes at a fixed focal length and aperture value how to set up object distance, so that a new, simple and direct method of Setting up the raaximal field depth can be achieved.