Leica 262, Instructions Manual

Page: 91 / 113

EN
87
Pictur
e mode
FLASH EXPOSURE CONTROL
Fully automatic flash mode, i.e. controlled by the camera, is avail-
able on the camera with the system-compatible flash units listed in
the previous section, and in aperture priority
A
and manual expo-
sure modes.
In addition, automatic illumination control is operational in both
exposure modes. This means that in order to ensure a balanced
relationship between flash and other lighting at all times, the flash
power is reduced by up to 1
2
⁄
3
EV as ambient brightness increases.
However, if the ambient brightness plus even the shortest possible
flash sync time of
1
⁄
180
s would cause overexposure, a non-HSS
compatible flash unit will not be fired in aperture priority mode (for
details on HSS operation, see p. 89). In such cases the shutter
speed is governed by the ambient brightness and is shown in the
viewfinder.
In addition, the camera transfers the set sensitivity to the flash
unit. This allows the flash unit, provided it has received such infor-
mation and the aperture manually set on the lens is also input to
the flash unit, automatically to adjust its range values accordingly.
With system compatible flash units, the sensitivity setting cannot
be influenced from the flash unit as it is transferred from the
camera.
Notes:
• Studio flash systems may have a very long burning time. There-
fore, when using them it may be useful to select a slower shutter
speed than
1
⁄
180
s.
• The same applies to radio controlled flash triggers for
"unchained flash", as the radio transmission can cause a delay.
• The following sections describe only those settings and func-
tions that are available when using this camera with system-
compatible flash units.
• More details of flash use, in particular for other flash units not
specially adapted to this camera and for different flash modes,
can be found in the relevant manuals.