Guide Number - Nikon Autofocus Speedlight SB-22 Instruction Manual

Electronic
construction
Guide number
Angle of coverage
Bounce capability
Flash duration
Power source
Automatic sil icon-controlled
rectifier and series circuitrv
25 (lSO 1OO and meters);
1B (with wide{lash adaoter)
41 (lSO 25 and feet);
30 (with wide{lash adaoter)
SPEGIFIGAT
All performance data are for normal-temperature
operation
Izo"c Ga.il]
Power switch
Three positions are provided
-OFF, STBY (for standby)
and ON; at STBY position with
the Nikon F4, F-801/NB00B,
F-501 /N2020, F-401 s/N4004s,
F-301/N2000, FA, FE2 or FG,
SB-22 turns off automatically
when flash unit is not used for
one or two minutes and truns on
wnen camera exposure meter
tson.
Number of flashes and recycling time at manual
full light output
* For autofocus
operation assisted by the AF iltuminator,
less number of flashes available.
** With four
AAlype alkaline-manganese batteries instatted
in the 58.22.
Flash head can be tilted down
t o - 7 " o r u p t o 9 O o
Approx. 1fi700 sec. (at M set-
ting) or 1/8000 sec. (at MD
setting)
Four 1.5V AA{ype alkaline-
manganese, manganese or
NiCd batteries; optional Battery
Pack SD-7 holding six C-type
batteries ts available as an
exlernal oower source
Horizontal Vertical
Usable lens
N o r m a l 6 0 '
/1tr, 3 5 m m o r l o n g e r
With wide-flash
a d q n l o r
7 0 0
q ? o
2 8 m m o r l o n g e r
Battery type
N u m b e r o f l l a s h e s
(approx.)"
Recycling time
(approx.)
AA-type
a l k a l i n e - m a n g a n e s e 200 times
4 s e c .
AA-type manganese 5 5 t i m e s
8 s e c .
AA-type NiCd
7 0 t i m e s
3 s e c .
C - t y p e a l k a l i n e -
m a n g a n e s e i n s i d e
t h e o p t i o n a l S D - 7 * *
U p t o 1 0 0 t i m e s
2 s e c .
U p t o 3 0 0 t i m e s
3 s e c .
Up to 600 times
3 0 s e c .
65