Leica SF 26 Manuel page 64

The shots are too dark.
• The subject is beyond the range of the flash
unit. Observe the reduced range of the flash
unit for indirect flashes.
Reduce the distance to the subject
and/or select a larger aperture (smaller
value).
• The subject contains very bright or highly
reflective areas. The measuring system of
the camera or flash unit is deceived as a
result.
Set a positive flash exposure correction
on the camera, e.g. +1 EV (if the camera
has that function, or alternatively the
reduced range of the flash unit achieved
that way is sufficient).
The shots have shadows at the bottom of
the image.
• Due to parallax error between the lens and
flash unit, close-up shots, depending on the
focal length, cannot be fully illuminated at
the bottom of the image.
Fold the wide-angle diffuser in front of the
reflector.
Automatic switching to the flash sync
speed fails to occur
• The camera (applies to most compact
cameras) or alternatively the lens that is in
use does not have a between-the-lens
shutter. Therefore, it is not necessary to
switch to synch speed.
• The camera operates with shutter speeds
that are slower than the flash sync speed.
Depending on the camera exposure mode,
there is no switch over to flash sync speed
(see camera's manual).
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