E-20
Controls and functions
Power switch (OFF / TTL)
Indicator
Guide number
20 (at full flash) * ISO100/m
* Depending on the camera models.
Beam angle
100
°×
100
°
105
°×
105
°
(with Diffuser)
Color temperature
5600
°
K (at full flash)
5250
°
K (with Diffuser)
Battery life
Alkaline : Approx. 230 flashes
Ni-MH (2500mAh) : Approx.300 flashes
Recycle time
Alkaline : Approx. 2.5 sec
Ni-MH (2500mAh) : Approx.1.9 sec
Battery requirements
4
×
AA Alkaline,
4
×
AA Ni-MH (2500mAh),
Operating temperature
1
℃
-40
℃
/ 34
°
F-104
°
F
Weight
Approx. 441g / 14.7oz
(excl. batteries / incl. fixing bolt)
Weight underwater
Approx. 60g / 0.35oz
(incl. batteries and fixing bolt)
Construction
ABS resin, Polycarbonate resin
Depth rating
75m (250ft)
Dimensions
（
WxHxD
）
75
×
111
×
129mm / 3
×
4.4
×5.1
inches
Specifications
Ready lamp (Illuminates in red when the
strobe is ready to fire.)
* The specifications and external design are subject to change without
notice.
* Number of flashes and recycle time depends on the battery brand,
temperature and frequency of use.
* The above specifications were tested at normal room temperature (25
℃
/ 77
°
F).
* Underwater weight measurements have been taken in fresh water.
Sea water weight will vary.
