Setting the Aperture and Shutter Speed (PowerShot G7X)

Last Updated : 16-Sep-2014
Issue Number : 8202196600

Solution

In [

] mode, you can Set your preferred shutter speed before shooting. The camera automatically adjusts the aperture value to suit your shutter speed. In [

] mode, you can set your preferred aperture value before shooting. In this case the camera automatically adjusts the shutter speed to suit your aperture value. In [

] mode, you can set both your preferred shutter speed and aperture value to obtain the desired exposure.

Blurred motion (Slow shutter speed)

Frozen action (Fast shutter speed)

Blurred background (With a low aperture f/number)

Sharp foreground and background (With a high aperture f/number)

Setting the Shutter Speed ([Tv] Mode)

1. Press the <Power> button to turn the camera on.

2. Set the mode dial to [

].

3. Turn the <

> ring to set the shutter speed.

: Shutter Speed

IMPORTANT

In conditions requiring slower shutter speeds, there may be a delay before you can shoot again, as the camera processes images to reduce noise.
When shooting at low shutter speeds on a tripod, you should set [IS Mode] to [Off].
The speed you set may be lowered automatically as needed if the flash fires.
Orange display of aperture values when you press the shutter button halfway indicates that the settings deviate from standard exposure. Adjust the shutter speed until the aperture value is displayed in white, or use safety shift.
Images shot at high ISO speeds may look grainy.

NOTE

[ ]: Time value
You can customize camera operation so that turning the <> dial changes the shutter speed.

Setting the Aperture Value ([Av] Mode)

1. Press the <Power> button to turn the camera on.

2. Set the mode dial to [

].

3. Turn the <

> ring to set the aperture value.

: Aperture Value

IMPORTANT

Orange display of shutter speeds when you press the shutter button halfway indicates that the settings deviate from standard exposure. Adjust the aperture value until the shutter speed is displayed in white, or use safety shift

NOTE

[ ]: Aperture value (size of the opening made by the iris in the lens)
To avoid exposure problems in [ ] and [ ] modes, you can have the camera automatically adjust the shutter speed or aperture value, even when standard exposure cannot otherwise be obtained. Press the <> button and set [Safety Shift] on the [ ] tab to [On]. However, safety shift is disabled when the flash fires.
You can customize camera operation so that turning the <> dial changes the aperture value.

Setting the Shutter Speed and Aperture Value ([M] Mode)

1. Press the <Power> button to turn the camera on.

2. Set the mode dial to [

].

3. Turn the <

> dial to set the shutter speed, and turn the <

> ring to set the aperture value.

Shutter Speed

Aperture Value

Standard Exposure Level

Exposure Level Mark

IMPORTANT

After you set the shutter speed or 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 or aperture value. However, screen brightness remains the same when the flash is up and the mode is set to [ ].
Images shot at high ISO speeds may look grainy.

NOTE

[ ]: Manual
At ISO speeds other than [ ], an exposure level mark based on your specified shutter speed and aperture value is shown for comparison to the standard exposure level. [ ] or [ ] is displayed when the difference from standard exposure exceeds 2 stops.
Calculation of standard exposure is based on the specified metering method.
You can customize camera operation so that turning the <> ring adjusts the shutter speed and turning the <>dial adjusts the aperture value.