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The focal length set on the camera lens is 35mm. The extended zoom mode
sets a 28mm reflector position on the flash unit even though 35mm continues
to be indicated on the LC display!
The extended zoom mode is only possible in the „Auto Zoom“ mode with a
focal length setting of 28 mm and longer. Since the start position of the zoom
reflector is 24 mm, a focal length of less than 28 mm will cause „24” mm for to
flash on the LC display, thereby warning the user that the required reflector po-
sition for extended zoom mode cannot be set.
Shots with a 24 mm focal length of the lens will be correctly illumina-
ted right out to the image corners by the flash unit also in extended
zoom mode!
Turning on the extended zoom mode
• Continue depressing the „Select“ key combination (= „Mode“ key + „Zoom“
key) until „Ex“ appears on the LC display.
• Continue depressing the „Zoom“ key until „ON“ flashes on the LC display.
• The setting becomes instantly effective. The LC display is switched back to
its normal state after approx. 5 sec.
After the setting procedure, the „Ex“ symbol for extended zoom mode will
continue to be indicated on the LC display of the flash unit!
Please note that the wider illumination coverage in extended zoom
mode results in a diminished maximum flash range!
Turning off the extended zoom mode
• Continue depressing the „Select“ key combination (= „Mode“ key + „Zoom“
key) until „Ex“ appears on the LC display.
• Continue depressing the „Zoom“ key until „OFF“ flashes on the LC display.
• The setting becomes instantly effective. The LC display is switched back to
its normal state after approx. 5 sec.
After storage in the memory, the „Ex“ symbol for extended zoom mode will
no longer be indicated on the LC display of the flash unit.
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5.7 AF measuring beam
The AF measuring beam is activated by the camera electronics when the ambient
lighting conditions are insufficient for automatic focusing. The AF beam projects a
striped pattern on to the subject, and the camera uses this pattern to focus auto-
matically. The AF beam has a range of approx. 6 m to 9 m (with a 50 mm/f/1.7
standard lens). Parallax error between lens and AF red light emitter limits the
close-up range of the AF measuring beam to approx. 0.7 m - 1 m.
The camera lens must be switched to AF so that the AF measuring beam can
be activated by the camera. The AF mode „Single AF“ or „ONE-SHOT AF“
must be set on the camera (see the camera’s operating instructions). Zoom
lenses with a lower initial aperture can significantly reduce the range of the
AF measuring beam!
The striped pattern of the AF measuring beam only supports the camera’s cen-
tral AF sensor. Consequently, for the cameras EOS 1N, 1V, 3, 300, 50, 50E,
500N, IX and IX7, only the camera’s middle AF metering area should be acti-
vated (see the camera’s operating instructions).
If a decentral AF sensor is manually selected by the photographer, or automa-
tically by the camera, then the emitter of the AF measuring beam of the flash
unit will not be activated. In such instances some cameras will use the AF illu-
minator integrated in the camera (see the camera’s operating instructions).
On some cameras only the AF illuminator integrated in the camera is acti-
vated when the need arises. These include EOS 500, 5, 10, 10S, 5000, REBEL
X, REBEL XS, A2, A2E, 888, PowerShot Pro 70, 90IS, G1, G2, G3. In such
instances the AF red-light emitter in the flash unit will not be activated. Please
refer to the corresponding details in the camera’s operating instructions.
5.8 Return to basic setting
The flash unit is returned to its basic setting when the „Mode“ key is kept de-
pressed for at least three seconds.
The following settings are cancelled:
• Manual flash mode „M” or „MLo”
• Extended zoom mode „Ex”
• Manual zoom mode „M.Zoom”
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