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5.1.3 TTL- flash mode with measuring
preflash (Olympus, Panasonic)
The TTL flash mode with measuring pre-
flash is a further development of the
standard TTL flash mode of analogue
cameras.
Depending on the camera model, the
preflashes precede the main flash by
such a short interval that they practi-
cally cannot be distinguished from the
main flash! The preflashes do not con-
tribute to the lighting of the shot.
5.1.4 P-TTL- flash mode (Pentax)
The P-TTL flash operation is a type of
digital TTL flash operation and a further
development of the TTL flash operati-
ons of analogue cameras.
5.1.5 A-TTL flash mode (Samsung)
The A-TTL flash mode is supported by
compatible Samsung cameras.
+
5.1.6 Preflash TTL and
ADI metering (Sony)
Preflash TTL and ADI metering are digi-
tal TTL flash operating modes and refi-
ned versions of the TTL flash operation
found in analogue cameras.
In the case of ADI metering, additional
distance data from the lens is incorpo-
rated into the flash exposure process.
The selection and/or setting of the pre-
flash TTL and ADI metering operating
modes are carried out on the camera
(see camera operating instructions).
5.1.7 TTL flash mode with measure-
ment pre-flash (FUJIFILM)
The TTL flash mode with measuring pre-
flash is a further development of the
standard TTL flash mode of analogue
cameras.
Configuration procedure
• Switch on the flash unit by pressing
the button
.
• Press the “TTL” button
on the flash
unit to configure the TTL mode.
• Set a corresponding operating mode
on the camera e.g. P, S, A.
M
TTL
LED
SL
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