Canon PowerShot S30 PowerShot S40/S30 Camera User Guide - Page 72

Manually Setting the Shutter Speed and Aperture

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Manually Setting the Shutter Speed and Aperture You can manually set the shutter speed and aperture to achieve a particular effect. This is convenient for shooting fireworks and other images where it is difficult to set the correct exposure automatically. 1 Turn the shooting mode dial to . • The shutter speed and aperture settings appears on the LCD monitor if it is on. 2 Select a shutter speed using B or A on the multicontroller. 3 Select an aperture setting using C or D on the multicontroller. 4 Shoot the image. • When you press the shutter button halfway, a number indicating the difference between the standard exposure* and the selected exposure appears on the LCD monitor. If the difference is more than ±2 steps, "-2" or "+2" appears in red. * The standard exposure is calculated by the AE function according to the selected metering method. • The exposure compensation, AE lock, FE lock, flash exposure compensation, AEB and ISO speed (AUTO) settings cannot be adjusted in this mode. • If you wish to change the exposure, adjust the shutter speed using B or A on the multicontroller, or adjust the aperture using C or D on the multicontroller. • When you select a fast shutter speed or shoot a subject in a dark place, set the flash to (Red-Eye Reduction, Flash On) or (Flash On) so that the LCD monitor does not darken and you can check the image before shooting. • For the correlation between aperture value and shutter speed, see page 67. 70 Shooting - Selecting Particular Effects

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70
Shooting - Selecting Particular Effects
Manually Setting the Shutter Speed and Aperture
You can manually set the shutter speed and aperture to achieve a particular effect.
This is convenient for shooting fireworks and other images where it is difficult to
set the correct exposure automatically.
1
Turn the shooting mode dial to
.
•
The shutter speed and aperture settings appears on the
LCD monitor if it is on.
2
Select a shutter speed using
B
or
A
on
the multicontroller.
3
Select an aperture setting using
C
or
D
on the multicontroller.
4
Shoot the image.
• When you press the shutter button halfway, a number indicating the
difference between the standard exposure* and the selected exposure
appears on the LCD monitor. If the difference is more than ±2 steps,
“-2”
or “+2” appears in red.
* The standard exposure is calculated by the AE function according to the selected metering method.
•
The exposure compensation, AE lock, FE lock, flash exposure compensation, AEB
and ISO speed (AUTO) settings cannot be adjusted in this mode.
•
If you wish to change the exposure, adjust the shutter speed using
B
or
A
on the
multicontroller, or adjust the aperture using
C
or
D
on the multicontroller.
•
When you select a fast shutter speed or shoot a subject in a dark place, set the
flash to
(Red-Eye Reduction, Flash On) or
(Flash On) so that the LCD monitor
does not darken and you can check the image before shooting.
•
For the correlation between aperture value and shutter speed, see page 67.