Olympus stylus 800 ユーザーズマニュアル

This function allows you to set the aperture manually. The camera sets the 
shutter speed automatically. By decreasing the aperture value (F-number), 
the camera will focus within a smaller range, producing a picture with a 
blurred background. Increasing the value forces the camera to focus over 
a wider range, resulting in increased depth of field which both the subject 
and the background are in focus. Use this mode when you want to play with 
how the background is depicted.

Press XY to set the aperture 

• The aperture value bar is displayed.

X : Opens the aperture (decreases the 

aperture value).

Y : Closes the aperture (increases the 

aperture value).

Aperture range:

Wide angle: F2.8 to F8.0
Telephoto: F4.9 to F8.0

• When the exposure is correct, the aperture value is displayed in green. 

When the correct exposure cannot be obtained, the aperture value is 
displayed in red.

Aperture value (F-number) 
is decreased.

Aperture value (F-number) 
is increased.

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Aperture value