Depth of Field Calculator

This Depth of Field Calculator will help you to determine depth of field under various conditions. Input the required values, press the calculate button and the results will be displayed at the bottom. Please note that for Digital Cameras with a crop factor (35mm equivalent focal length), use the APS negative formats.


Negative Format
Lens focal length
Selected aperture
Subject distance: Metres Feet

Hyperfocal distance for this lens/aperture combination Near limit of acceptable sharpness Far limit of acceptable sharpness Total depth of field

Originally authored by Alistair Houston from silverlight.co.uk and modified by Graham Watson to suit his needs.