Samsung ER-GX20ZBBB-E1 - Manual (Page 85)

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Av (Aperture Priority) Mode
1. Rotate the Mode dial ( ) to select Av.
2. Turn the rear dial ( ) and adjust the
aperture value.
- The shutter speed and aperture value are
displayed in the viewfi nder and on the LCD
panel.
3. Now, you are ready to take some pictures.
Expressing the background out of focus
Using the Av (Aperture priority) mode, you can express the subject in the
background out of focus.
Shutter speed is automatically set to an appropriate exposure depending on
the aperture value.
▲ Av Mode, Aperture: f = 11,
Shutter Speed: 1/125 sec, ISO = 200
▲ Av Mode, Aperture: f = 4,
Shutter Speed: 1/1000 sec, ISO = 200