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NOTES
ON
FLASH
PHOTOGRAPHY
• Use only Nikon 8peedlights. Other units may damage the
camera's electrical circuits due
to
incompatible voltage
requirements', electric contact alignment or switch phase.
•
Not
compatible
with
250
V
or
higher
.
• When using a special 8peedlight such
as
a studio strobe
system, with a time-lag provision or one with a long flash
duration (i.e., Medical-Nikkor 120mm
f/4),
adjust shutter
speed down to
1/125 sec. or slower.
126
• For multiple flash photography using the N90,
if
the electric
current
in
the syncro circuit exceeds a certain
level,
you may
not be able to take a second shot after taking the first shot.
Take care that the combined total
of
the coefficient (numbers
shown
in
parentheses below) for
all
8peedlights used at any
one time does not exceed 20 at
20·
C/68
·F or 13 at
40'C/104·F.
88-25
(1)
88-24
(1)
88-21
(4)
88-20
(9)
88-17
(4)
88-16
(4)
88-12(1) 88-11(1)
88-23
(4)
88-19
(2)
88-15
(4)
88-22
(6)
88-18
(16)
88-14
(1)
If you are unable to take a second shot, disconnect the
master 8peedlight from the camera, or tum each
of
the
8peedlights off and on at once. This resets the circuits so you
can resume shooting.
This also applies when using any non-Nikon studio speed light
system.