Canon POWERSHOT G12 User Manual page 31

The ND filter reduces light intensity to 1/8 (3 stops) of the actual level,
allowing for slower shutter speeds and smaller aperture values.
Choose ND.
After pressing the @ button, press the
Av buttons to choose N_.
set[ND r mter] to IOn].
Press the 4 _ buttons or turn the _ dial to
choose ND, then press the @ button.
You can set the shutter to the speed at which you want to shoot. The camera
wil! set the appropriate aperture value for the shutter speed you set.
TV stands for "Time value'.
Set the mode dial to Tv.
Make the setting.
Turn the _ dia! to set the shutter speed.
Shoot.
Availabme Shutter Speeds
15", 13", 10", 8", 6", 5", 4", 3"2, 2"5, 2", 1"6, 1"3, I", 0"8, 0"6, 0"5, 0"4, 0"3, 1/4, 1/5, 1/6,
1/8, 1/10, 1/13, 1/!5, 1/20, 1/25, 1/30, 1/40, 1/50, 1/60, 1/80, 1/I00, 1/125, 1/I60, 1/200,
1/250, 1/320, 1/400, 1/500, 1/640, 1/800, 1/1000, 1/1250, 1/1600, 1/2000, 1/2500,
1/3200, 1/4000
2" indicates 2 seconds, 0"3 indicates 0.3 second and 1/160 indicates 1/160 second.
The fastest shutter speed when using the flash is 1/2000 second. The camera
automatically resets the shutter speed to 1/2000 second or slower even if a faster
shutter speed is chosen.
Depending on the zoom position, some shutter speeds may not be available.
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