Pentax *ist IST DS - Manual (Page 134)

132
5
F
uncti
on Re
ferenc
e
This camera features five exposure modes along with the picture modes.
Use the mode dial (p.104) to change the exposure mode.
Changing the Exposure Mode
Exposure
Mode
Description
Exposure
Compen-
sation
Change
Shutter
Speed
Change
Aperture
e
(Program)
Shutter speed and aperture are
automatically set for taking
pictures at the proper exposure.
Yes No No
b (Shutter
Priority)
Set shutter speed and use to
express moving subjects. Take
pictures of fast moving subjects
that look still or subjects that look
lively.
Yes Yes No
c
(Aperture
Priority)
Set aperture and use when you
want to adjust the depth of view.
Use to blur the background.
Yes No Yes
a (Manual)
Combine set shutter speed and
aperture to create the picture you
have in mind.
No Yes Yes
p (Bulb)
Use to capture images that
require slow shutter speeds such
as fireworks and night scenes.
No No Yes
Setting the Meter Operating Time
Set the metering time in [Meter Operating Time] in the [A Custom]
menu (p.100). The default setting is [1 (10 sec)].
1 10 sec Set to 10 seconds.
2 3 sec Set to 3 seconds.
3 30 sec Set to 30 seconds.