Canon IXUS 310 HS - Manual (Page 109)

Setting the Aperture Value
109
You can set the aperture to a value at which you want to shoot. The camera
will set the appropriate shutter speed for the aperture value you set.
B stands for “Aperture value”, which refers to the size of the aperture
opening inside the lens.
Choose a Shooting mode.
z Follow Steps 1 – 2 on p. 64 to choose B.
Adjust the setting.
z Touch [F4.0].
z Touch the bar, or drag it left or right, to
choose an aperture value, then touch
Ú.
Shoot.
Available Aperture Values
• Depending on the zoom position, some aperture values may not be available.
What if the aperture value appears in orange?
If the aperture value appears in orange when the shutter button is pressed
halfway, the scene has exceeded the correct exposure limits. Adjust the shutter
speed until the aperture value appears in white (Safety shift can also be used
(p. 110) ).
Setting the Aperture Value
F2.0, F2.2, F2.5, F2.8, F3.2, F3.5, F4.0, F4.5, F5.0, F5.6, F5.8, F6.3, F7.1, F8.0