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S: shutter-priority auto, 50 controlling exposure – Nikon 5400 User Manual

Page 62

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50

Controlling Exposure

Mor

e on Photogr

aphy

S: Shutter-Priority Auto

In shutter-priority auto, the user selects the shutter speed by rotating the
command dial; aperture is set automatically by the camera in response to
lighting conditions. Shutter speed can be set to values between 8 s and

1

/

4000

s

in increments equivalent to 1 EV (one step).

If the selected shutter speed would result in the picture being under- or over-
exposed, the shutter speed display in the monitor will fl ash when the shut-
ter-release button is pressed halfway. Choose another shutter speed and try
again. At slow shutter speeds, the shutter-speed indicator in the monitor will
turn yellow to show that “noise” in the form of randomly-spaced, brightly-
colored pixels may appear in the fi nal photograph. We recommend that you
either choose a faster shutter speed or use noise reduction (

111).

Ultra HS

When Ultra HS is selected in the Continuous menu (

63), the frame advance rate

is fi xed at thirty frames per second, with the result that shutter speed can not be set
to a value slower than

1

/

30

s.

Faster Shutter Speeds

When a shutter speed of

1

/

4000

s is selected in shutter-priority auto, aperture is restricted

to values between f/4.4 and f/7.9 when the camera is zoomed all the way out, or to
f/7.3 when the camera is zoomed all the way in. If you are unable to achieve optimum
exposure in shutter-priority auto, choose aperture-priority auto (exposure mode A),
zoom the camera all the way out, and select the smallest aperture (largest f/-number).
Depending on the amount of light available, it may be possible to achieve optimum
exposure at shutter speeds as fast as

1

/

4000

s (

1

/

8000

s in Ultra HS mode).

Shutter speed displayed in monitor.

2

1

Select mode S.