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This utility is intended to demonstrate various combinations of camera,focal length, aperture, and subject distance and their effects on depthof field. Bear in mind that depth of field is a very subjective measurement, based on a number of fuzzy concepts and calculations, not the least of which is 'How sharp is sharp enough to be called sharp?'. Additionally, less than precise factors such as the final media size, the accepted Circle of Confusion for SLR 35mm film cameras, diffraction, etc. figure into the discussion. Hence, this is not meant to be a scientific tool, but rather a general guide to help understand the general concepts of depth of field and your camera's individual characteristics. |
