Canon PowerShot S3 IS Digital Camera User Manual


 
Using the Mode Dial
59
Shutter Speed Display
z
The numbers in the table below indicate the shutter speed in seconds.
1/160 indicates 1/160 second. Also, quote marks indicate the decimal
place, so that 0"3 indicates 0.3 second and 2" indicates 2 seconds.
zYou can change the combinations of shutter speeds and aperture
values without altering the exposure (p. 70).
Setting the Aperture
The aperture adjusts the amount of light entering through the lens.
When you set the aperture in the aperture-priority AE mode, the
camera automatically selects a shutter speed to match the brightness.
Selecting a lower aperture value (opening the aperture) allows you to
blur the background and create a beautiful portrait.
A higher aperture value (closing it) brings the entire range from
foreground to background into focus. The larger the aperture value,
the greater the range of the image brought into clear focus.
1 Use the
W
or
X
button to select the aperture value,
then shoot.
15" 13" 10" 8" 6" 5" 4" 3"2 2"5 2" 1"6 1"3 1" 0"8 0"6
0"5 0"4 0"3 1/4 1/5 1/6 1/8 1/10 1/13 1/15 1/20 1/25
1/30 1/40 1/50 1/60 1/80 1/100 1/125 1/160 1/200 1/250
1/320 1/400 1/500 1/640 1/800 1/1000 1/1250 1/1600
1/2000 1/2500 1/3200
Shooting Mode
zIf the shutter speed is shown in red, the image is
underexposed (insufficient light) or overexposed (too much
light). Adjust the aperture value using the W or X button until
the shutter speed display turns to white.
zSome aperture values cannot be selected depending on the
zoom position.
In this mode, the maximum shutter speed with synchronized
flash is 1/500 second. The aperture value setting may therefore
be changed automatically to match the synchronized flash
speed even if its value was set previously.