Specific shutter speeds ([tv] mode), Specific aperture values ([av] mode), Shooting long exposures – Canon PowerShot SX170 IS User Manual

Page 66

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Cover

Before Use

Common Camera
Operations

Advanced Guide

Camera Basics

Auto Mode

Other Shooting
Modes

P Mode

Playback Mode

Setting Menu

Accessories

Appendix

Index

Basic Guide

Tv, Av, and M
Mode

Still Images

Specific Shutter Speeds ([Tv] Mode)

Set your preferred shutter speed before shooting as follows. The camera
automatically adjusts the aperture value to suit your shutter speed.
For details on available shutter speeds, see “Shutter Speed” (

=

130

).

1

Enter [

M] mode.

z

z

Set the mode dial to [

M].

2

Set the shutter speed.

z

z

Turn the <

5> dial to set the shutter

speed.

With shutter speeds of 1.3 seconds or slower, there will be a delay
before you can shoot again, as images are processed to remove
noise.

When shooting at low shutter speeds on a tripod, you should set [IS
Mode] to [Off] (

=

64

).

Maximum shutter speed with the flash is 1/2000 second. If you
specify a faster speed, the camera will automatically reset the speed
to 1/2000 second before shooting.

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 (

=

66

).

[

M]: Time value

Still Images

Specific Aperture Values ([Av] Mode)

Set your preferred aperture value before shooting as follows. The camera
automatically adjusts the shutter speed to suit your aperture value.
For details on available aperture values, see “Aperture” (

=

130

).

1

Enter [

B] mode.

z

z

Set the mode dial to [

B].

2

Set the aperture value.

z

z

Turn the <

5> dial to set the aperture

value.

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 (see below).

[

B]: Aperture value (size of the opening made by the iris in the lens)

To avoid exposure problems in [

M] and [B] modes, you can have the

camera automatically adjust the shutter speed or aperture value, even when
standard exposure cannot otherwise be obtained. Press the <

n> button

and set [Safety Shift] on the [

4] tab to [On] (

=

24

).

However, safety shift is disabled when the flash fires.

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