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PHOTOGRAPHY ▸ FLASH PHOTOGRAPHY
125
ATTACHING THE FLASH UNIT
▸ Switch off the camera and flash unit
▸ Slide the foot of the flash unit all the way into the accessory shoe
and use the clamping nut (where available) to secure it against
accidental movement
• Movement inside the accessory shoe can interrupt required
contacts and therefore cause malfunctions.
DETACHING THE FLASH UNIT
▸ Switch off the camera and flash unit
▸ Release the lock as needed
▸ Detach the flash unit
Note
• Make sure that the accessory shoe cover is always in place when
no accessory is attached (e.g. a flash unit).
FLASH EXPOSURE METERING (TTL METERING)
In conjunction with system-compatible flash units (see p. 124), the
camera offers a fully automated flash mode, which is also available
in the exposure modes Aperture Priority and Manual.
In aperture priority mode and with manual setting, the camera
furthermore allows the use of other interesting flash techniques like
flash synchronization and firing with slower shutter speeds than the
max. sync time.
The camera additionally communicates the sensitivity setting to the
flash unit. The flash unit can use this information to automatically
adjust its range data, provided the device comes with these displays
and the aperture setting selected on the lens is also entered manual-
ly on the flash unit. The ISO sensitivity setting cannot be altered via
the flash unit on system-compatible units, because the information
is received from the camera.
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