FujiFilm EF-42 - Flash Specifications and Performance; Continuous Use Guidelines; Technical Specifications Overview; Working Range and Battery Life

Continuous
Use
Using
the
flash many times in quick succession can cause overheating
that
may damage the flash.
It
is
recommended
that
you turn
off
the
flash for ten minutes after
about
ten consecutive shots.
Specifications
Power
zoom
Adjusted
automatically
on
signal
from
camera
Can
be
adjusted
manually
by
pressing
zoom
button
Color
temperature
Approx.
5,600
K
when
fired
at
full
power
Batteries
Four
AA
lithium,
alkaline,
or
NiMH
batteries
Operating
temperature
0
octo
40
°(/32
oF
to
104
oF
Dimensions
(H
X
W
X
0)
Approx.
116
mm
x
64
mm
x
102
mm/
4.6
in.
x
2.5
in.
x
4.0
in.
Weight
Approx.
260
g/9.2
oz.,
excluding
batteries
CD
Specifications subject
to
change
without
notice.
•
Guide
Number
{ISO
100,
m)
Lens
foe~
I length
in
mm
(35
mm
format/APS-C)
24/16
28/19
35/24
50/34
70/48
85/58
y,
27
30
32
35
38
40
Y2
19
21
23 25
27
28
%
14
15
16 18
19
20
Power
Ys
10
11
11
12
13
14
ratio
y,6
7 8 8 9
10
10
%2
5 5 6 6
7 7
%4
3 4 4 4
5 5
105/70
42
30
21
15
11
7
5
•
Working
Range
{ISO
100,
m)
Lens
focal
length
in
mm
(35
mm
format/APS-C)
24/16
28/19
35/24
50/34
70/48
85/58
105/70
f/2
13.5
15
16
17.5
19
20
21
f/4
6.8
7.5
8
8.8
9.5
10
10.5
f/8
3.4 3.8
4
4.4
4.8
5
5.3
Aperture
f/16
1.7
1.9
2
2.2
2.4
2.5
2.6
f/32
0.8
0.9
1
1.1
1.2 1.3 1.3
f/64
0.4 0.5
0.5
0.5
0.6
0.6
0.7
•
Battery
Life
and
Recycling
Time
Number
of
uses
(full
power)
Recycling
time
(full
power)
AA
alkaline
batteries
x4
Approx.
220
Approx.
3.5
s
AA
NiMH
batteries
x4
Approx.
240
Approx.
3.0
s
~Battery
life
measured using fresh batteries manufactured
within
the
previ-
ous three months. The
number
of
uses
is
the
number
of
times the flash can
be fired at
intervals
of
30
seconds;
the
count
ends when the ready lamp
takes more than
30
seconds
to
light.
~The
recycling
time
is
the
time
needed after
the
flash fires for
the
ready
lamp
to
light,
as
measured under
the
conditions described above.
ENGLISH
EN-12