Canon S31S Digital Camera User Manual


 
Aperture Setting Display
The larger the aperture value the smaller the lens opening, allowing
less light to enter the camera.
IF2.7 F3.2 F3.5 F4.0 F4.5 F5.0 F5.6 F6.3 F7.1 F8.0
You can change the combinations of shutter speeds and aperture
values without altering the exposure (p. 70).
Safety Shift
With Tv and Av modes, if [Safety Shift] is turned [On] in the
Rec. menu, the shutter speed or aperture value is automatically
adjusted for the correct exposure when it cannot be otherwise
obtained.
Safety Shift is disabled when the flash is enabled.
M Manually Setting the Shutter Speed and Aperture
You can manually setthe shutter speed and aperture to shoot
images.
1 Use the or 1_button to select the shutter speed, and
use the or button to select the aperture value,
then shoot.
When you press the shutter button halfway, the difference between
the standard exposure and the selected exposure appears on the
LCD monitor (or viewfinder). If the difference is more than 2 stops,
"-2" or "+2" appears on the LCD monitor (or viewfinder) in red.
* The standard exposure is calculated by measuringthe brightness according
to the selected metering method.
f the zoom is adjusted after these values are set, the aperture
value or the shutter speed may change in accordance with
the zoom position.
The brightness of the LCD monitor (or viewfinder) matches
the selected shutter speed and aperture value. When you
select a fast shutter speed or shoot a subject in a dark place,
raise the flash, and then set itto _O (Flash On with red-eye
reduction) or _- (Flash On), the image will always be bright.
6O