For example – Nikon Autofocus Speedlight SB-24 User Manual
Page 74
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TTL Auto Flash—In Aperture-
Priority Auto or Manual
Exposure Mode
TTL Auto Flash lets you select any
aperture from f/1.4 to f/32 to match the
shooting distance range with automatic
TTL control of the flash exposure.
Set the SB-24’s flash mode selector
' to TTL, and the flash sync mode
selector to NORMAL.
2 Set the camera’s exposure mode to
■ either aperture-priority auto or
manual exposure mode.
•
For autofocus operation, set the
camera's focus mode selector to A.
(For autofocus flash photography, see
pages 64 to 65).
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0 Using the adjustment buttons, select
■ the appropriate aperture to match the
shooting distance.
For example:
With the zoom setting at 35mm and film
speed index at ISO 100, selecting f/8 lets
you take pictures of subjects 0,6m to 4m
(approx. 2ft. to 15ft.) away.
Shooting distance range varies
according to aperture value, film
speed and/or zoom setting. For
54