Olympus E-1 - A: Aperture Priority Shooting

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Exposure
5
Exposure mode
Aperture value (F-number) is decreased Aperture value (F-number) is increased
A : Aperture priority shooting
The camera sets the optimum shutter speed automatically for the aperture value you
have selected. When you decrease the aperture value (F-number), the camera will
focus within a shorter range (shallow depth of field) and produce a picture with a blurred
background. Conversely, when you increase the aperture value, the camera will focus
over a wider range in the forward and backward directions (more depth of field),
producing a picture with clear focus throughout the image area. Before shooting, you
can use the preview function to check how the background will look in your picture.
1
While holding down the mode dial lock,
set the mode dial to
A.
2
Rotate the main dial or sub dial to set
the aperture value.
Main dial
Sub dial
Mode dial
Small aperture (F-number is increased)
Large aperture (F-number is decreased)
Main dial
Sub dial