Canon SX20 IS Manual Do Utilizador

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You can set the aperture to a value at which you want to shoot. The camera 
will set the appropriate shutter speed for the aperture value you set. 

B stands for “Aperture value”.

B.

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Turn the 

 dial to set the aperture value.

•

The fastest shutter speed when using the flash is 1/500 second. As a result, the 
camera will not set a shutter speed faster than 1/500 second regardless of the 
the aperture value you set.

•

Depending on the zoom position, some aperture values may not be available.

If the shutter speed displays in orange when the shutter button is pressed 
halfway, the scene has exceeded the correct exposure limits. Adjust the aperture 
value until the shutter speed displays in white. Safety shift can also be used.

With 

M and B modes, if [Safety Shift] is set to [On] in the 4 tab, the shutter 

speed or aperture value is automatically adjusted for the correct exposure when it 
cannot otherwise be obtained. Safety Shift is disabled when the flash is enabled.

Setting the Aperture Value

F2.8, F3.2, F3.5, F4.0, F4.5, F5.0, F5.6, F5.7, F6.3, F7.1, F8.0

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