Matrix Balanced Fill-Flash
With the system set to Matrix, Matrix Balanced Fill-Flash is
available.
Based on a combination of general scene brightness and con-
trast, the exposure value for the background is determined by
one of five computation methods: Low-Brightness Weighted,
Center-Segment, Average, High-Brightness Weighted, or Very-
High-Brightness Weighted. Together with the background
exposure metering, the F4's microcomputer automatically
chooses one from five flash output levels determined by the
combination of brightness and degree of contrast. The result is
a balanced combination of ambient light and flash illumination
that produces a natural-looking and pleasing effect.
Center-Weighted Fill-Flash
For regular TTL flash photography, or to emphasize detailed
background areas, use Center-Weighted Fill-Flash. In this
mode, when the value measured by the center segment is
within the controlled shutter speed/aperture range, flash output
compensation is automatically set for natural-looking fill-flash
photography (If the value is less than that of the controlled
range, standard TTL flash without compensation is selected.)
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