Shooting long exposures, P. 92), Select – Canon IXUS 990IS User Manual
Page 92: Select the shutter speed, Confirm the exposure

92
You can set the shutter speed to a range between 1 and 15 seconds to
shoot long exposures. However, you should attach the camera to a tripod to
prevent the camera from moving and blurring the image.
Select
≈.
●
Set the mode switch to
4, then select ≈
in Steps 1 – 3 on
and press the
m
button.
Select the shutter speed.
●
Press the
o button.
●
Press the
qr buttons or turn the  dial
to select shutter speed, then press the
m
button.
Confirm the exposure.
●
When you press the shutter button
halfway, the exposure for the selected
shutter speed will appear.
≈ Shooting Long Exposures
•
The brightness of the image may differ from the brightness of the screen
in Step 3 when the shutter button was pressed halfway.
•
When shutter speeds of 1.3 seconds or slower are used, images are
processed to eliminate noise after being taken. A certain amount of
processing time may be needed before you can take the next shot.
•
It is recommended to set the [IS Mode] to [Off] when shooting with a
tripod
.
If the flash fires, the image may be overexposed. If this happens, set the
flash to
! and shoot.