Special care of lenses, Changing lens – Canon Model 7 User Manual
Page 34
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Special Care of Lenses
CHANGING LENS . . .
The lens mounting flange of the Canon 7 is equipped
with
both
the
Canon
standard
screw-in-mount
and
Canon
special
bayonet-mount
M.
To
detach
a
screw-
in-type lens other than the F 0.95, 50 mm lens) from
the camera, hold the lens barrel at its base and turn
counter-clockwise
iillustrated
by
small
arrow''.
To
re
place a lens, keep lens cap on but remove the dust
cap
from
the
lens.
Turn
the
lens
first
counter-clock
wise
for
half
a
turn
to
insure
that
the
lens
threads
and
the
camera
mounting
flange
do
not
cross.
Next,
turn
clockwise
(illustrated
by
large
arrow)
until
the
lens
is securely in place.
• When mounting or dismounting a lens of 85mm or greater focal length, be sure
to set it at the nearest footage setting.
To
detach
a
special
bayonet-mount-M-type
lens
from
the
camera,
turn
the
bayonet
tightening
ring
counter
clockwise
(illustrated
by
small
arrow)
...then
the
lens
can be pulled out. To fit the lens into position, match
the red mark of the tightening ring to the pin on the
lens
barrel.
Insert
the
pin
of
the
lens
into
the
hole
on the lens mounting flange . . . and turn the tightening
ring
clockwise
(illustrated
by
large
arrow)
while
pushing
in the lens.