| http://www.w3.org/ns/prov#value | - However, when he got close, he realized that the pictures of people were merely blobs of color.) DOF is a function mainly of the aperture, the distance to the subject, and the magnification factor (or the lens focal length, though, for macro photography, you need the magnification factor, as the lens' focal length actually changes with the focus distance when you are up close.
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