Nikon Df - Manual (Page 56)

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36
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Exposure Mode
To choose an exposure mode, lift and rotate
the exposure mode dial.
Mode Description
P
Programmed auto (0 38): Camera sets shutter speed and aperture
for optimal exposure. Recommended for snapshots and in other
situations in which there is little time to adjust camera settings.
S
Shutter-priority auto (0 39): User chooses shutter speed; camera
selects aperture for best results. Use to freeze or blur motion.
A
Aperture-priority auto (0 41): User chooses aperture; camera selects
shutter speed for best results. Use to blur background or bring
both foreground and background into focus.
M
Manual (0 42): User controls both shutter speed and aperture. Set
shutter speed to Bulb (B) or Time (T) for long time-exposures.