Adjusting images 213
between circular or hexagonal aperture shapes. The aperture shape
can affect light patterns that appear in the out-of-focus areas. This
effect is called bokeh, and it is most noticeable in small pinpoints of
light on a dark background.
To create an area of focus by using the Depth of Field effect
Edit workspace
1 In the Edit workspace, select the area that you want to keep in
focus.
For information about selecting image areas, see “Creating
selections” on page 292.
2 Click Adjust Depth of Field.
The Depth of Field dialog box appears.
3 Move the Blur slider to adjust the amount of blur applied to the
out-of-focus area.
You can also
Invert the selected area Mark the Invert check box.
Control the aperture shape for the
blurred area
Click one of the following buttons:
• Circular Aperture Shape
• Hexagonal Aperture Shape
Adjust the transition between the
area in focus and the blurred area
Move the Feather edge slider.
Moving the slider to the right
increases the feathering; moving the
slider to the left decreases the
feathering. Note that a setting of 0
produces a hard, undefined edge,
which is probably not what you
want. In general, do not set this
slider to less than 2 or 3.
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