Nikon Digital Camera D3000 User Manual

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Mode P (Programmed Auto)
In this mode, the camera automatically adjusts shutter speed and aperture for 
optimal exposure in most situations. This mode is recommended for snapshots and 
other situations in which you want to leave the camera in charge of shutter speed 
and aperture. To take photographs in programmed auto:
1
Rotate the mode dial to P.
2
Frame a photograph, focus, and shoot.
A
Flexible Program
In mode P, different combinations of shutter speed 
and aperture can be selected by rotating the 
command dial (“flexible program”). Rotate the dial 
to the right for large apertures (low f-numbers) that 
blur background details or fast shutter speeds that 
“freeze” motion. Rotate the dial to the left for small 
apertures (high f-numbers) that increase depth of 
field or slow shutter speeds that blur motion. All 
combinations produce the same exposure. While flexible program is in effect, a 
U (R) 
indicator appears in the viewfinder and information display. To restore default shutter speed 
and aperture settings, rotate the command dial until the indicator is no longer displayed, 
choose another mode, or turn the camera off.
A
The Exposure Program
See page 178 for information on the built-in exposure program.
Mode dial
Command dial