Canon PowerShot SX170 IS - Manual (Page 125)

125
ç Contents ç Chapter Contents
Still Images
Specific Aperture Values
([Av] Mode)
Set your preferred aperture value before shooting as follows.
The camera automatically adjusts the shutter speed to suit your
aperture value.
For details on available aperture values, see “Aperture” ( = 260 ).
1
Enter [B] mode.
z z Set the mode dial to [ B].
2
Set the aperture value.
z z Turn the < 5> dial to set the
aperture value.
• Orange display of shutter speeds when you press the
shutter button halfway indicates that the settings deviate
from standard exposure. Adjust the aperture value until the
shutter speed is displayed in white, or use safety shift (see
below).
• [ B]: Aperture value (size of the opening made by the iris in the
lens)
• To avoid exposure problems in [ M] and [B] modes, you can
have the camera automatically adjust the shutter speed or aperture
value, even when standard exposure cannot otherwise be obtained.
Press the < n> button and set [Safety Shift] on the [4] tab to
[On] ( = 45 ).
However, safety shift is disabled when the flash fires.