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15. Maintenance and care
Remove any grime and dust with a soft, dry or silicon-treated cloth. Never
use detergents – they may damage plastic parts.
Forming the flash capacitor
The flash capacitor incorporated in the flash unit undergoes a physical chan-
ge when the flash unit is not switched on for prolonged periods. For this rea-
son it is necessary to switch on the flash unit for approx. 10 minutes every 3
months. The batteries must supply sufficient power for flash readiness to be
indicated within 1 minute after the flash unit was switched on.
16.Technical data
Guide numbers at ISO 100/21°:
in the metric system: 45 in the imperial system: 148
Flash modes
TTL, TTL modes with preflash (see Table 1), Auto Mode A, Manual Mode M,
high-speed synchronisation HSS
Manually adjustable auto aper
tures:
f2.8 – f4 – f5,. – f8 – f11 – f16 at ISO 100 / 21°
Automatic aper
ture setting range
f1.0 to f45 (at ISO 100 / 21°) including in-between values (SCA 3002)
Flash durations:
* approx. 1/125 ... 1/20000 sec.
* in M mode approx. 1/125 sec. with full light output
* with 1/2 light output approx. 1/800 sec.
* with 1/4 light output approx. 1/2000 sec.
* with 1/8 light output approx. 1/3500 sec.
* with 1/16 light output approx. 1/6000 sec.
* with 1/32 light output approx. 1/10000 sec
Coverage of sensor:
approx. 25°
Colour temperature:
approx. 5600 K
Sensitivity
:
ISO 25 to ISO 1000 for manual setting
ISO 6 to ISO 6400 for automatic setting (SCA 3002)
Synchronisation:
Low-voltage IGBT ignition
Number of flashes:
* approx. 200 with NiMh batteries 45-56
* approx. 170 with high-capacity alkaline manganese batteries
* approx. 300 with Power Pack P50
* approx. 400 with Power Pack P76
(all at full light output)
Recycling time:
* approx. 4 sec. with high-capacity alkaline manganese batteries
* approx. 4 sec. with NiMh batteries 45-56
* approx. 3 sec. with Power Pack P50 / P76
(all at full light output)
Flash coverage
Main reflector, as of 35 mm (35 mm format)
... with wide angle diffuser, as of 28 mm (35 mm format)
Secondary reflector, as of 35 mm (35 mm format)
Swivelling ranges and locking positions of main reflector
upwards 15° 30° 45° 60° 75° 90°
counter-clockwise 90° 180°
clockwise 90° 180°
Dimensions approx. in mm (w x h x d)
Flash unit 92 x 247 x 102
W
eight
:
Flash unit without power sources: approx. 680 g
704 47 0126.A5 45 CL-4 digi 01.02.2007 13:13 Uhr Seite 59