Digital photography has brought us many multi shot techniques like focus stacking and HDRI. This story is about Focus Stacking, this is a technique that we can use to get a much larger depth of field than we normally get with digital camera's. The most well known is HDRI or High Dynamic Range Imaging. That is a technique that we can use to greatly enlarge the dynamic range of a digital camera. That is necessary because digital camera's do not offer us enough dynamic range in many natural conditions.