FE flash exposure storage in the E-TTL mode
permits the light output required for the
subsequent shot to be determined and stored prior
to the actual exposure. This can be very useful for
the exposure of specific details that may not
necessarily be identical to the main subject.
Focus the camera's AF sensor metering area on the
zone whose flash exposure is to be predetermined.
When the FE button on the camera is actuated (the
designation may vary with individual camera
models – please refer to the operating instructions
for the given camera), the mecablitz emits an FE test
flash. The electronic measuring circuit inside the
camera assesses the light reflected from the FE test
flash to determine the light output required for the
subsequent exposure. The main subject can then be
focused with the AF sensor metering area of the
camera. When the shutter release is pressed the
picture will be exposed with the previously
determined light output.
Note:
Any changes in the light situation after the FE test
flash has been fired will not be taken into account
when the picture is shot!
12. Manual TTL flash exposure correction
There are certain photographic situations where
the camera's internal sensor can be deceived. This
is particularly the case with a dark subject in front
of a bright background (the subject will be
underexposed) or a bright subject in front of a dark
background (the subject will be overexposed).
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