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The shots are too dark.
• The subject is beyond the range of the flash unit. Note: Using bounce flash
reduces the range of the flash unit.
• The subject contains very bright or highly reflective areas. The metering system
of the camera or flash unit is deceived as a result. Set a positive manual flash
exposure correction, e.g., +1 EV.
The shots are too bright.
• In close-up shots, overexposure (shots that are too bright) may result if the shut-
ter speed is faster than the flash sync speed. The minimum distance from the
subject should be at least 10% of the maximum flash range indicated on the
display.
The aperture (f-stop) cannot be adjusted on the flash unit.
• There is an exchange of digital data between the flash unit and camera.
Adjustment of the aperture is not possible!
16 Technical data
Max. guide numbers at ISO 100/21°, zoom 105 mm:
In the metric system: 48 In the imperial system: 157
Flash modes:
Standard TTL without measuring preflash, E-TTL, E-TTL II, Manuel M
Manual par
tial light output levels:
1/1 ... P1/128 light output, in one-third increments.
Flash durations see table 2, page
130:
Colour temperature:
approx. 5600 K
Film speed:
ISO 6 to ISO 6400
Synchronisation:
low-voltage ignition
Number of flashes:
• approx. 90 with NiCad batteries (600 mAh)
• approx. 210 with high-capacity alkaline manganese batteries
• approx. 250 with NiMH batteries (1600 mAh)
• approx. 460 with lithium batteries
(at full light output)
Recycling time (at full light output):
Approx. 3,5 sec
Light coverage:
Main reflector from 24 mm (35 mm format)
Main reflector with wide-angle diffuser from 18 mm (35 mm format)
707 47 0057.A2 Inh. 48AF-1C 18.09.2007 16:38 Uhr Seite 85