Nikon 55 Digital Camera User Manual


 
Usable Optional
Speedlights-continued
5
Confirm
~
appears
in
the viewfinder, focus and fully depress
the shutter release button to shoot.
~
in
the viewfinder blinks approx. 3 sec. after
fu
ll
flash output. This may indicate
underexposure has occurred. Check the focus distance, aperture or fl
ash
shooting
distance range and shoot again .
• When the subject is dark, the camera's AF-Assist
Il
lumi
na
tor automatica
ll
y turns
on
to
guide autofocus (the Speedlight's AF-Assist Illuminator does not turn
on)
.
See page
50
for details.
Non-TTL
Auto
Flash
In Non-TTL Auto
Flas
h shooting, light output automatica
ll
y changes to
ma
tch the
flash-to-subject distance, but the light is measured by the light sensor
on
the optional
Speed light instead of being measured through the lens. Compared to TTL Auto Flash
of the built-in Speed light, where the light is measured through the lens, the control of
the flash output level is somewhat less accurate.
94