Focus stacking is a method for increasing depth-of-field in photographs, consisting in merging a set of photographs obtained using focus-bracketing. In this post I explain how it works, and why it is specially useful in macro photography.
[post revised on 2017-10-21] Definition and explanation Before describing different types of “image merging” workflows, I will explain some terms that I will be using in this blog. Today I will explain the meaning of bracketing. Bracketing consists in acquiring a series of images with different camera settings. The word bracketing comes from the idea that we have a target value for the setting, say exposure, and we acquire images …
