Owner's Manual

camera over a wide range
of
shutter
speeds even
if
the batteries fail.
Another
benefit
of using mechani-
cal
control for
the
majority of speeds
is
that
the
Canon
EF
uses
only
two
inexpensive
1.3
volt mer-
cury batteries which are available
almost
anywhere
in
the
world.
Canon
FD
300mm
f /
5.6
S .C.
30
sec
.•
AE.
ASA400.
11