Shooting Long Exposures (Bulb) - Canon PowerShot G1 X Mark III Camera User Manual

● After you set the shutter speed and aperture value, the exposure
level may change if you adjust the zoom or recompose the shot.
● Screen brightness may change depending on your specified
shutter speed and aperture value. However, screen brightness
remains the same when the flash is up and the mode is set to [ ].
● Image brightness may be affected by Auto Lighting Optimizer
( = 82).
● [ ]: Manual
● Calculation of optimum exposure is based on the specified
metering method ( = 79).
● The following operations are available when ISO speed is set to
[AUTO].
- Adjust exposure by turning the exposure compensation dial.
- Press the [ ] button to lock the ISO speed. Screen brightness
changes accordingly.

Shooting Long Exposures (Bulb)

With bulb exposures, shots are exposed for as long as you hold down the
shutter button.
1
Specify bulb exposure.
Set the shutter speed to [BULB], following
z
steps 1 – 2 in "Specific Shutter Speeds
and Aperture Values ([
( = 100).
2
Shoot.
Shots are exposed for as long as you
z
hold the shutter button all the way down.
The elapsed exposure time is displayed
during exposure.
● Mount the camera on a tripod or take other measures to keep it
still and prevent camera shake. In this case, also disable image
stabilization ( = 53).
● To avoid camera shake that may otherwise occur when pressing
the shutter button directly, you can shoot remotely ( = 165) or
use an optional remote switch ( = 186).
● When [Touch Shutter] is set to [Enable], shooting is started by
touching the screen once and stopped by touching it again. Be
careful not to move the camera when touching the screen.
Before Use
Basic Guide
Advanced Guide
Camera Basics
] Mode)"
Auto Mode /
Hybrid Auto Mode
Other Shooting Modes
P Mode
Tv, Av, M, and C Mode
Playback Mode
Wireless Features
Setting Menu
Accessories
Appendix
Index
101