DOF may stand for: Science. Depth of field, in photography a measurement of depth of acceptable sharpness in the object space, or subject space. Depth of focus, in lens optics describes the tolerance of placement of the image plane to the lens. Digital obstacle file, in aviation contains data on man-made obstacles. 2,5-Dimethoxy-4-fluoroamphetamine (DOF), a psychedelic drug. Distance-of-Flight, a mass spectrometry technology. Degrees of freedom, used in mechanics, statistics, as well as physics and chemistry. Music. Deeds of Flesh, a Death Metal band.
https://en.wikipedia.org/wiki/DOF