Extended User Manual – Irix 15 mm f/2.4
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DEPTH OF FIELD SCALE
The depth of field scale provides a visual reference
for the range of maximum sharpness in your pho-
tos at a given aperture and focus setting. It allows
you to determine the plane of focus, within which
objects in your image will be at their sharpest.
Using the scale correctly takes practice. The following examples
will demonstrate how to use it for creative control of depth of
field (DoF).
DoF control is achieved with the lens aperture, so you will need
to set your camera to Aperture Priority or Manual mode.
