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SPECIFICATIONS---------------
All performance data are for normal· temperature operation
[20°C
(68°F))
Electronic
construction
Guide number
Angle of coverage
Au
tomatic
si
licon·contro
ll
ed
rectifier
an
d ser
ie
s circuitry
25 (I
SO
100 and meters);
18
(with w
id
e·fl
as
h adapte
r)
41
(ISO 25 and feet) ;
30 (with wide·f
la
sh adapter)
Ho
rizontal Vertical Usable lens
Normal
60° 45°
35mm
or longer
Wi
th
wide·
fl
ash
70°
53°
28mm or longer
adapter
Bounce capability
Fl
ash head can
be
tilted down
to -
yo
or up to 90°
Flash duration Approx.
1/
1700sec. (at M sett·
ing) or 1
18000
sec. (at MD
setting)
Power source Four 1
,5
V AA·type alkaline·
manganese, manganese or
Ni
Cd batteries ; optional Battery
Pa
ck SD·7 holding six C·type
batte
ri
es
is
available as
an
ex
ternal power sou rce
Power switch Three positions are provided
-O
FF
,
STBY
(for standby)
an
d
ON
; at
STBY
position with
the Ni
kon
F·501/N2020, F·
4011
N4004,
F·
30
1/N2000,
FA
,
FE
2
or
FG,
SB·22 tums off auto·
matica
ll
y when flash unit is not
used for one or two minutes
and turns
on
when camera
exposure meter is
on
Number of flashes and recycling time at manual
full light output
Battery type
Number of flashes Recycling time
(appro
x.
)' (approx.)
AA·type
200 times 4sec,
a
lk
aline·manganese
AA-type manganese
55
times
8sec,
AA-type N
iCd
70 times 3sec,
C·type alkaline·
Up to 100 times 2sec,
manganese inside
Up to 300 times
3sec,
the optional
SQ·
7*'
Up to 600 times
30sec,
'For
autofocus operation assisted
by
the
AF
illuminator,
less number
of
flashes available,
••
With four AA·type alkaline·manganese batteries installed
in
the 58·22,
53