DEPTH OF FIELD CALCULATOR

Google Depth of field calculator, type in your equipment etc and it calculates your depth of field.
Quite useful for close-up photography

Camera, 5D111
Focal length (mm)  400
Selected f-stop   f22
Subject distance  2m


Calculate

 Subject distance  2 m

Depth of field
Near limit  1.99 m
Far limit  2.01 m
Total  0.03 m

In front of subject  0.01 m (50%)
Behind subject  0.01 m (50%)

Hyperfocal distance  236.1 m
Circle of confusion  0.03 mm