Pentax K100D User Manual - Page 144

Set the mode dial to, Turn the e-dial and adjust the, aperture value., Using

Page 144 highlights

142 Using the c (Aperture Priority) Mode Set aperture for controlling the depth of field. The depth of field is deeper and the front and back of the focused object is clear when aperture is set to a large value. The depth of field is shallower and the front and back of the focused object is blurred when aperture is set to a small value. Shutter speed is automatically set to appropriate exposure depending on the aperture value. 1 Effect of Aperture and Shutter Speed (p.134) 1 Set the mode dial to c. 5 2 Turn the e-dial and adjust the aperture value. The shutter speed and aperture value are displayed in the viewfinder and on the LCD panel. Function Reference

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142
5
Function Reference
Set aperture for controlling the depth of field. The depth of field is deeper
and the front and back of the focused object is clear when aperture is set
to a large value. The depth of field is shallower and the front and back of
the focused object is blurred when aperture is set to a small value.
Shutter speed is automatically set to appropriate exposure depending on
the aperture value.
1
Effect of Aperture and Shutter Speed (p.134)
1
Set the mode dial to
c
.
2
Turn the e-dial and adjust the
aperture value.
The shutter speed and aperture value
are displayed in the viewfinder and on
the LCD panel.
Using the
c
(Aperture Priority) Mode