Depth of Field is a common postprocessing effect that simulates the properties of a camera lens. This version is a more modern and sophisticated version of the old Depth of Field (Deprecated) effect that works especially well with HDR rendering and a DirectX 11 compatible graphics device.. In real life, a camera can only focus sharply on an object at a specific distance; objects nearer or The depth of field ( DOF) is the distance between the nearest and the furthest objects that are in acceptably sharp focus in an image captured with a camera . Factors affecting depth of field. Effect of aperture on blur and DOF (Depth of Field). Depth of field is the range of "acceptable sharpness" in front of the camera within which objects appear in focus to the human eye; objects closer to the camera or beyond the far end of that range will appear blurry and out of focus. A shallow depth of field describes a narrow range in which objects appear in focus, whereas a deep depth of DOFMaster Hyperfocal Chart for Windows® prints charts of hyperfocal distance for a range of lenses. FREE sample hyperfocal distance charts (for 35mm format and digital SLRs) Use feet or meters on the distance scale. Select focal lengths from 1 mm to 1000 mm. Print a chart for any format, digital to 8x10. Print wallet-size to 8x10 inch charts. Depth of field is the range of sharp focus in front of and behind your main subject. With shallow depth of field, the background quickly goes out of focus. This is great for shooting portraits, for example, where you want to concentrate attention on your subject. Objectives are the most important imaging component in an optical microscope, and also the most complex. This discussion explores some of the basic properties of microscope objectives such as numerical aperture, working distance, and depth of field. With a very wide aperture opening, only the object(s) at the specific focal distance from your camera will be in focus. In addition, the closer your focal point is to your camera's lens, the shallower the depth of field will be. The further away the focal point is (as with landscape photography), the greater your overall depth of field will be. In any given camera, Depth of Field is determined by the combination of three lens factors, and IF with all else the same, then: . Greater f/stop number is more depth of field span (f/1.8 has very little DOF) ; Greater focus distance is more depth of field span (macro distance has nearly no DOF) ; Greater focal length is less depth of field span (18 mm has much more than 100 mm) The depth of field in a photo refers to the distance between the closest and farthest objects that appears acceptably sharp. Depth of field differs based on camera type, , and focusing distance. In addition, the viewing distance and print size can contribute to the perception of depth of field. The distance in which the depth of field effect should be sharp. This value is measured in Unreal Units (cm). Depth Blur km for 50%. Defines the distance at which the pixel is blurred with a radius half of the Depth blur Radius. This is particularly useful to emulate cheap atmospheric scattering. 4aCV.