Руководство Пользователя для Nikon 25480B

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The D800 supports the following flash modes:

Front-curtain 

sync

This mode is recommended for most situations. In 
programmed auto and aperture-priority auto modes, 
shutter speed will automatically be set to values 
between 

1

/

250

 and 

1

/

60

s (

1

/

8,000

 to 

1

/

60

s when an optional 

flash unit is used with Auto FP High-Speed Sync; 0 299).

Red-eye 

reduction

Red-eye reduction lamp lights for approximately one 
second before main flash. Pupils in subject’s eyes 
contract, reducing “red-eye” effect sometimes caused by 
flash. Owing to one-second shutter-release delay, this 
mode is not recommended with moving subjects or in 
other situations in which quick shutter response is 
required. Avoid moving camera while red-eye reduction 
lamp is lit.

Red-eye 

reduction with 

slow sync

Combines red-eye reduction with slow sync. Use for 
portraits taken against a backdrop of night scenery. 
Available only in programmed auto and aperture-
priority auto exposure modes. Use of a tripod is 
recommended to prevent blurring caused by camera 
shake.

Slow sync

Flash is combined with shutter speeds as slow as 30 s to 
capture both subject and background at night or under 
dim light. This mode is only available in programmed 
auto and aperture-priority auto exposure modes. Use of 
tripod is recommended to prevent blurring caused by 
camera shake.

Rear-curtain 

sync

In shutter-priority auto or manual exposure 
mode, flash fires just before the shutter 
closes. Use to create effect of a stream of 
light behind moving objects. In programmed 
auto and aperture-priority auto, slow rear-curtain sync is 
used to capture both subject and background. Use of 
tripod is recommended to prevent blurring caused by 
camera shake.