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Nikon SB-21 Instruction Manual page 30

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~-----------------------------------~
I
Two
controllerS, the AS-12 and AS-14, are avail-
series cameras, The
A$-14,
controller
for the
\
I
able for use with
the
S8-21
main unit.
Depending
S8-218,
has
an
ISO-type
mounting
foot
,
enabling
I
I
on which controller the S8-21
main
unit is used
the
S8-21
to be
used
for TTL
auto
flash
operation
I
I
with, it wi
ll
be identified as
the
S8-21
A
and
with Nikon F4-series,
F-801/N8008
',
F-5011
I
I
S8-218,
N2020",
F-301 /N2000
", FA, FE2
or
FG
I
I
The
AS-12,
controller
for
the S8-21A,
has
a
cameras,
I
I
special
foot
for attaching
to the
accessory shoe
"The
Nikon NBDDB
is sold exclusively in the
US.A
of
Nikon
F3-series
cameras, enabling
the
S8-21
""The
Nikon N2D2D and N2DDD cameras
are sold ex-
I
I
to be
used for
TTL
auto
flash
operation with
F3
-
clusively in
US.A
and Canadian
markets,
I
\
I
~-----------------------------------~
Aperturelreproduction ratio
dial
Flash terminal
Ac~epts power
cord
of
the S8-21
main unit.
Ready-light/under
exposure warning
Also used
as open-flash button-
push
to
fire
flash without releas-
ing
shutter,
For ready-light indications,
see
40,
Powerlflash mode switch
Setting to
M
(manual) or
TTL
turns
on the S8-21
,
TTL multiple
flash
terminal
See
page
42,
Mounting foot
30
Controller AS-14
Battery holder MS-6
Contains
four AA-type penlight
batteries
;
for
installation
,
see
page
32,
Battery holder clip
External power source
terminal (with cover)
See
page
44
,
External power source
terminal switch
Overexposure warning
Mounting foot lock ring
M
foot
Hot -shoe contacts
Mounting foot lock nut
Hot -shoe contacts

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