Nikon Speedlight SB-700 - Manual (Page 118)

E–27
Functions
E
Flash Photography Support Functions
AF-assist illumination
When light is too low for normal autofocus operation, the SB-700’s
AF-assist illumination enables autofocus photography.
The SB-700’s AF-assist illumination is compatible with the multi-point •
AF system.
AF-assist illumination cannot be used with cameras that are not
•
compatible with CLS and COOLPIX cameras.
Notes on using the AF-assist illumination
■
AF-assist illumination can be used if an AF lens is mounted and the •
camera’s focus mode is set to S (single-servo AF with focus priority),
AF-A, or AF.
The effective flash-to-subject distance with AF-assist illumination
•
is approx. 1 m to 10 m (3.3 ft. to 33 ft.) for the center of the
image with a 50 mm f/1.8 lens. The flash-to-subject distance varies
depending on lens in use.
Suitable lens focal length is between 24 mm and 135 mm. Focus
•
area in which autofocusing is possible is:
D7000 camera focus area with the focal length range of
between 24 mm and 135 mm