Nikon D70S User Manual download pdf (Page 105)

Taking Photographs—Flash Photography

Flash Sync Modes

The following ﬂ ash sync settings are available in P, S, A, and M modes:

DescriptionFlash sync mode

This mode is recommended for most situations. In P and

A modes, shutter speed will au to mat i cal ly be set to values

between

60 and

500 s.

Red-eye reduction lamp lights for approximately 1 s before

main ﬂ ash, causing pupils in subject’s eyes to contract and

reducing “red-eye” effect sometimes caused by ﬂ ash. Ow-

ing to 1 s shutter-release delay, red-eye reduction is not

recommended with moving subjects or in other situations

in which quick shutter response is required. Do not move

camera while red-eye reduction lamp is lit.

In S and M modes, ﬂ ash ﬁ res just before shutter closes, creat-

ing effect of stream of light following moving subjects. In P

and A modes, slow-rear curtain sync is used to capture both

subject and background. Use of tripod is recommended to

prevent blurring caused by camera shake.

Rear-curtain sync

Slow rear-curtain sync

Combines red-eye reduction with slow sync. Available only

in P and A modes. Use of tripod is recommended to prevent

blur ring caused by camera shake.

Slow sync with red-

eye reduction

Flash is combined with shutter speeds as slow as 30 s to

cap ture both subject and background at night or under dim

light. Available only in P and A modes. Use of tripod is rec-

ommended to prevent blur ring caused by camera shake.

Slow sync

Red-eye reduction

Front-curtain sync

Flash Angle

The ﬂ ash angle of the built-in Speedlight can cover the ﬁ eld of view of an 18 mm lens.

It may not be able to light the entire subject with some lenses or apertures ( 101).

ISO Auto

When On is selected for Custom Setting 5 (ISO auto; 142), sensitivity will automati-

cally be adjusted as required for optimal ﬂ ash output. This may result in foreground

subjects being underexposed in ﬂ ash photographs taken at slow shutter speeds, in

daylight, or against a bright background. In these cases, choose a ﬂ ash mode other

than slow sync or select mode A or M and choose a larger aperture.

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Nikon D70S User Manual Page 105

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