Select the actual focal length of the lens. For
instance, if the focal length of your lens is 50 mm, select 50 mm in the
calculator. The calculator will adjust for any
focal length multiplier or field of view crop
when the appropriate camera or film format is selected.
Select your camera or film format. For digital "point and shoot"
cameras, select "Compact digital".
Select an f/stop. The list includes full, half, and one-third f/stops.
The depth of field and hyperfocal distance are calculated each time one
of the inputs changes.
Tap the "HD" button to set the focus distance at the hyperfocal
distance for the selected lens and f/stop.
Circles of confusion (CoC)
used in this calculator are: