Sekonic Speedmaster L-858D-U Light Meter - Manual (Page 139)

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6. Functions
6-3 Exposure Compensation Function
This function is useful when compensation is necessary for highlight and/or shadow
in reflected-light measurements.
The input value range is -9.9 EV to +9.9 EV in 0.1 step increments.
To use the Set Exposure Compensation Function, first specify the Measuring Mode
(incident light system or reflected light system). Exposure Compensation can be set
individually in the incident light system and the reflected light system.
■
Minus Compensation
If a lighter image is obtained when shooting was carried out based on the measured
values of this meter, you can use the minus compensation to adjust the exposure to a
darker value.
■
Plus Compensation
If a darker image is obtained when shooting was carried out based on the measured
values of this meter, you can use the plus compensation to adjust the exposure to a more
positive value.
NOTICE
● Compensation of the measured value must be performed based on a sufficient
number of test shooting results.
● Note that the individual compensation is possible in the incident light system and
reflected light system while uniform compensation is applied in Ambient Mode and
Flash Mode.
NOTE
In Factory Setting, the light intensity can be adjusted using the minus or plus compensation.
However, to adjust the exposure value (exposure decrease by plus compensation and
exposure increase by minus compensation), select "Measured Value (+ is dark, - is bright)"
in "Compensation +/- Preference" of Custom Setting. (  P166)
NOTE
In case that the Exposure Compensation is assigned to Function Button -1 or -2. (  P160)
Icon Description
Disabled when Exposure compensation is not set.
Displayed when Exposure compensation is OFF.
Displayed when Exposure compensation is ON.