O o c o, A a a – Canon Model 7S User Manual
Page 57
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By
connecting
the
flash unit
and cord of speed-
light
to
the
flash
socket,
it
is
possible
to
syn
chronize the following shutter speeds
Flash
Bulb
Scope of Synchronization
1000 500 250 125 6030 15 8 4 2 1 B T
X
FP type
o o c o
X
0 U O O O 0 0
X
M type
X
X
A A A
X
O'o o o o o o
X
F type
X
X X X X
o
o
o o o o o c
X
Speed-
light
X
X X X X
-
o o o o o o
o
The
flash
time
lag
is
automatically
adjusted
when
the shutter dial is set.
A
lens
hood
is
necessary
when
taking
flash
pictures.
The
flash
socket
is
JIS
B-(Continental-)
type.
The M class bulb is made for lens shutter use.
In
cases
where
only
the
central
part
of
the
picture is necessary, it is also possible to use
shutter
speeds
of
1,250,
1
125,
and
150
markings.