Canon 300X Camera Lens User Manual


 
E Aperture-Priority AE
36
In this mode, you set the desired aperture value and the camera sets
the shutter speed automatically to suit the subject brightness.
The larger the aperture value (smaller aperture), the wider the depth of
field (range of acceptable focus) will be. Vice versa, the smaller the
aperture value (larger aperture), the narrower the depth of field will be.
<E> stands for aperture value.
1
Turn the Mode Dial to <E>.
2
Select the desired aperture
value.
Turn the <l> dial.
The aperture value can be set in
half-stop increments.
3
Focus the subject.
sThe shutter speed is set
automatically.
4
Check the viewfinder display
and take the picture.
If the shutter speed display does
not blink, a correct exposure will be
obtained.
If the slowest shutter speed blinks, it indicates
underexposure. In such a case, turn the <
l
> dial
to set a larger aperture value (smaller f/number)
until the shutter speed display stops blinking.
If the fastest shutter speed blinks, it indicates
overexposure. In such a case, turn the <l> dial
to set a smaller aperture value (larger f/number)
until the shutter speed display stops blinking.
Aperture Value Display
The larger the f/number, the smaller the diaphragm will be. The
aperture value display will differ depending on the lens. When no lens
is attached to the camera, “ ” will be display for the aperture value.