DOFCompute Free is a simple single-screen depth of field calculator. Subject distance, fStop, and focal length may be entered by slider or keyboard. Subject distance may be entered in either English or Metric. Conversion between English and Metric for subject distance and DOF is immediate, at the press of a button.

Hyperfocal distance, focal distance range, magnification, and width and height of focal field at the focal distance are computed along with DOF.

A pop-up calculator is provided to assist with manual calculations.