Nikon autofocus speedlight SB-900 User Manual page 54

i-TTL mode
v
When insuffi cient light for correct exposure is indicated
D
t
Changing camera's metering mode
• When camera's metering mode is changed to spot metering while i-TTL
Automatic Balanced Fill-Flash is selected, the TTL mode automatically changes to
the standard i-TTL mode.
• In such case, the TTL mode automatically changes to the i-TTL Automatic
Balanced Fill-Flash, after changing camera's metering mode to Multi-pattern or
Center-weighted.
D–4
• When the SB-900 fires at full flash
output level, ready-lights on the
SB-900 and in the camera's
viewfinder blink for approx. three
seconds after shooting.
• In this case, underexposure may
occur. To compensate the exposure,
use a wider aperture or move closer
to the subject and reshoot.
• The underexposure value (-0.3 to
-3.0 EV) is displayed on the SB-900's
LCD panel for approx. three seconds
while the above ready-lights blink.
• Pressing Function button 2 recalls
display of underexposure value in
TTL mode.