Vivitar Vivicam 3930, Руководство пользователя, Страница: 36 / 72

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Aperture-priority Mode [Av]
In this mode, images are captured with the priority given to aperture. The camera
automatically sets the shutter speed according to the aperture. A small aperture
value produces a portrait photo with an out-of-focus background, as the depth of
field decreases. The smaller the aperture value, the more out-of-focus the
background becomes. A large aperture value (small physical aperture) produces
sharp images on both close and distant objects like landscapes. The larger the
aperture value, the greater the depth of focus.
1. Set the mode dial to [Av] and power on the camera.
2. Rotate the
Command dial to adjust the aperture
value.
The aperture value and the shutter speed
corresponding to that value are displayed on
the LCD monitor.
3. Compose the picture and press the shutter button
down halfway to set exposure and focus, then
press down fully to capture the image.
Note:
The larger the F value, the smaller the aperture size becomes and vice versa.