The longer your focal length, the shallower the depth of field. So if your subject is 33 feet (10 meters) away and your aperture is set to f/4, a focal length of 50mm will give you a depth of field range from around 22-63 feet (6.7-19.2 meters) for a total DoF of 41 feet (12.5 meters). Depth of field is the area in which elements are acceptably in focus. Objects closer of further away from that area will be progressively blurry. You can also manually change the focus distance under the depth of field menu. When changing the focus distance, changing the F-Stop might also be needed to get the same amount of bokeh for the Advanced Depth Of Field (DoF) Calculator. Get the total control over depth of field. This calculator allows you to use an adjusted Circle of Confusion to calculate the adjusted depth of field values according to your desired print size, viewing distance, camera sensor size and viewer's visual acuity. This span of acceptable sharpness is what we term depth-of-field (DOF). Focal length of the lens - shorter more DOF - longer less DOF 1. f/# - Lower aperture number (larger opening) less DOF 2. f/# - Higher aperture numbers (smaller opening) more DOF 3. Subject distance - The further the subject the more DOF 4. Depth of field (DOF) is the term used to describe the size of the area in your image where objects appear acceptably sharp. The area in question is known as the field, and the size (in z-space) of that area is the depth of that field. DOF is governed by the angle at which light rays enter the lens. zWGsyFh.

depth of field distance