Manually Setting The Shutter Speed And Aperture - Canon POWERSHOT a75 User Manual

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If the shutter speed shows in red on the
LCD monitor, the image is
underexposed (insufficient light) or
overexposed (too much light). Adjust the
aperture value using or until the
shutter speed display turns white.
Some aperture values may not be available
with certain zoom positions (p. 76).
Please note that camera shake becomes
a factor with larger aperture values that
slow down shutter speeds. If (camera
shake warning) appears in the LCD
monitor, secure the camera to a tripod
before shooting.
In this mode, the shutter speed range
with synchronized flash is 1/60 second
to 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.
Shooting – Advanced Functions
Aperture Value Display
The larger the aperture value, the
smaller the lens aperture.
F2.8 F3.2 F3.5 F4.0 F4.5 F4.8 F5.0
F5.6 F6.3 F7.1 F8.0
Manually Setting the Shutter
Speed and Aperture
You can manually set the shutter speed and
aperture to shoot images. You can select
settings such as a long exposure to suit your
purpose.
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 mode.
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