Sony DSLR-A290 - Manual (Page 62)

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• The shutter speed may become slower depending on the aperture value.
When the shutter speed is slower, use a tripod.
• To blur the background more, use a telephoto lens or a lens that is
equipped with a smaller aperture value (bright lens).
• Set the flash mode to (Fill-flash) when you shoot with the flash
(page 75). However, the flash range differs according to the aperture
value. When you shoot with the flash, check the flash range (page 77).
2
Select the aperture value (F-
number) with the control dial.
• Smaller F-number: The foreground and
background of the subject are blurred.
Larger F-number: The subject and its
foreground and background are all in
focus.
• You cannot check the blurring of an
image in the viewfinder. Check the
recorded image and adjust the aperture.
Aperture (F-number)
3
Adjust the focus and shoot the
subject.
The shutter speed is automatically
adjusted to obtain correct exposure.
• When the camera judges that the proper
exposure is not obtained with the
selected aperture value, the shutter
speed flashes. In such cases, adjust the
aperture again.
Shutter speed
Shooting techniques