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Dörr DCF 52 wi Notice D'utilisation page 12

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  • FRANÇAIS, page 21
• avoids red-eye effect
• soft outlines and even illumination (particularly suitable for portraits)
• avoids disturbing light reflections off non-metallic surfaces, e.g. glasses
on the rear side of the flash you can read off the position of the bounce angle. Please consider
that indirect flash photography reduces the flash range. in ttl mode the flash and the camera
automatically ensure proper dosage of the flash´s power output. with indirect flash photography the
power zoom function is inactive. Please select the focal length manually. Further the aperture is not
indicated on the lcd. still, ttl flash control is active.
Indirect Flash Photography with Reflecting Plate
if you want to flash indirectly but no adequate reflection surface (white ceiling/white wall) is available,
you can use the built-in reflecting plate. the advantage in comparison to "regular" indirect flashing:
the distance flash ---> reflecting surface ---> object is shorter. the reflecting plate is integrated in the
flash head above the diffuser plate. to use it, slide it out until the stopper is reached. the flash head
must be tilted upwards.
Diffuser Plate
especially with portraits a softer illumination is advantegous. alternatively to indirect flashing this can
also be achieved by using a diffuser plate. the diffuser plate is integrated in the flash head beneath the
reflecting plate. to use it, slide it out until the stopper is reached and the diffuser plate flaps over the
reflector. Please consider that the flash range reduces when using the diffuser plate. in ttl mode the
flash and the camera automatically ensure proper dosage of the flash´s power output.
Red-Eye Effect
with flash photography, the object´s eyes may appear red in a picture. this is caused by flash light
reflecting off the blood circulated retina. this phenomenon especially appears when the flash is
located close to the lens axis. weak ambient light even supports the red-eye effect as the pupils will
widen. a secure method to avoid the red-eye effect is to use indirect flash photography. but even
with direct flashing, the design of the dÖrr dcF 52 wi reduces the red-eye effect as the flash head is
located as far as possible from the optical axis. the larger the flash angle of incidence the lesser the
red-eye effect.
Long-Time Synchronization
to achieve a balanced light ratio between object and background in weak ambient light, a longer
exposure time is recommended. thereby, the main object in the foreground is illuminated by the flash
while the background is adjusted to the brightness of the main object through a longer exposure time
(with "regular" flashing the background would disappear in the dark), extended time synchronization
helps you to achieve great effects, e.g. by taking portraits at a fair ground or christmas market with
an evening setting as background or in a neon-lit shopping center. to set your camera to a longer
exposure time of your choice, set your camera to shutter priority mode or to manual exposure control.
some camera models allow for extended time synchronization also in program mode or aperture
priority mode. to avoid blurred pictures, the use of a dÖrr tripod is recommended.
High Speed Sync
some objects require a shorter shutter speed then the camera's x flash synchronization.
in these cases you can activite the high speed sync mode.
Flash for Nikon Models: depending on the camera model, the high speed sync mode can be activated
on the camera menu. Please refer to the camera's user guide . no extra settings at the flash required.
Flash for Canon, Sony Alpha, Olympus-Panasonic Models: Press the Mode button until "
h" is
shown on the lcd. use the
and
to activate the high speed synchronization. the lcd shows
"on" or "—" when switched off.
Flash Exposure Compensation
some situations require different light power than automatically provided. using the
and
keys
the light output can be reduced or increased. each time pressing
reduces
or increases the
light output by 0,3 ev (1 ev corresponds to 1 aperture step or the exposure time is reduced by half
or doubled). the + or – correction is indicated on the lcd. when the flash is switched off, the +/-
corrections will not be saved, they will need to be reset the next time the flash is reused.
Note: For flashes used with Olympus or Panasonic cameras, the flash exposure compensation can only
be adjusted in the camera.
Using the Flash with Daylight
Although on sunny days the light may be sufficient to restrain from using the flash, depending on the
position of the sun more or less unsightly shades may appear on faces and other objects. also, shots
made with back light often cause underexposure of the the main object. therefore, it is advisable to
use the flash also in sufficient daylight. Your pictures will show more intense colors and rich contrasts.
AF Red Light Beam
The DÖRR DCF 52 Wi is fitted with an AF red light beam. AF reflex cameras require a minimum of
contrast for proper distance settings. in weak light conditions the available contrast of the object may
be insufficient for automatic focusing. In this case your flash projects a contrast pattern onto the object
when the camera´s shutter release is slightly touched. with the support of the aF red light beam, the
auto-focus system of your camera can now recognize structures and even in darkest rooms the exact
distance can be determined quickly and precisely. the aF red light beam covers a range of approx. 1
to 8 m. depending on the camera model it may happen that the camera´s built-in aF red light beam has
priority. in this case the aF red light beam of the flash will not be activated.
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