Understanding the Basics of Exposure by Emanuele Faja

看到一篇讲解摄影基本常识的帖子,
如何曝光,光圈,快门iso，还有各种图解
连接如下
Understanding the Basics of Exposure by Emanuele Faja
http://www.stevehuffphoto.com/2013/02/27/understanding-the-basics-of-exposure-by-emanuele-faja/