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Nikon D5100 User Manual

Page 70

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Flash Modes

The flash modes listed on the previous page may combine one or more of the following
settings, as shown by the flash mode icon:
• AUTO (auto flash): When lighting is poor or subject is back lit, flash pops up automatically

when shutter-release button is pressed halfway and fires as required.

j (red-eye reduction): Use for portraits. Red-eye reduction lamp lights before flash fires,
reducing “red-eye.”

j (off): Flash does not fire even when lighting is poor or subject is back-lit.

• SLOW (slow sync): Shutter speed slows automatically to capture background lighting at night

or under low light. Use to include background lighting in portraits.

• REAR (rear-curtain sync): Flash fires just before shutter closes, creating a stream of light behind

moving light sources (below at right). If this icon is not displayed, flash will fire as the
shutter opens (front-curtain sync; the effect this produces with moving light sources is
shown below at left).

Front-curtain sync

Rear-curtain sync

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Choosing a Flash Mode

The flash mode can also be
selected by pressing the

M

button and rotating the
command dial (in P, S, A, M, and

0

modes, raise the flash before
using the

M button to choose the

flash mode).

+

M button

Command dial

Information display

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The Built-in Flash

For information on the lenses that can be used with the built-in flash, see page 200. Remove
lens hoods to prevent shadows. The flash has a minimum range of 0.6 m (2 ft.) and can not
be used in the macro range of zoom lenses with a macro function.

The shutter release may be briefly disabled to protect the flash after it has been used for
several consecutive shots. The flash can be used again after a short pause.