AUTOMATIC BALANCED FILL-FLASH WITH
TIL
MULTI
SENSOR-3D
MULTI-SENSOR
BALANCED FILL-FLASH AND MULTI-
SENSOR BALANCED FILL-FLASH
3D Multi-Sensor Balanced Fill-Flash is possible only with the
combination
of
the N90,
aD-type
AF
Nikkor lens and the
Nikon SB-25 AF Speedlight.
In
this flash mode, just after you
depress the shutter release button and before the shutter is
activated, the SB-25 will fire a series
of
scarcely visible pre-
flashes (Monitor Pre-flashes) that are detected by the N90's
TIL
Multi Sensor, then analyzed for brightness and contrast.
Additionally, Distance Information from the D-type AF Nikkor
lens
in
use, along with other exposure control information,
is
integrated, thus automatically compensating flash output
level so that flash output and ambient light are balanced.
The Monitor Pre-flashes enable 3D Multi-Sensor Balanced
Fill-Flash to ensure correct exposure even
in
difficult
situations, including scenes with a very reflective object such
as a mirror or a white wall, and scenes with a very dark
backgrounds.
3D Multi-Sensor Fill-Flash
is
performed with
all
the
meters-Matrix,
Center-Weighted and Spot.
114
When the N90 camera and SB-25 are used with a non-D-type
AF
Nikkor lens, Multi-Sensor Balanced Fill-Flash, which offers
the same flash output control system but without Distance
Information, is performed.
Multi-Sensor Balanced Fill-Flash can also be performed with
the SB-24 and other dedicated Speedlights (shown on page
113) that
do
not have the Monitor Pre-flash feature.
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