Canon TX - Page 16

™
The
preset
aperture
ring
cannot
be
set
at
the
“A”
mark
when
the
FD
lens
is
attached
to
the
TX.
=
Refer
to
page
35
concerning
the
depth
of
the
field.
When an FD lens without the lock lever is used and
manual control of aperture is required, turn the
automatic/manual aperture lever of the lens counter-
clockwise until it is automatically locked. The aperture
can be opened or closed by turning the preset aperture
ring. For releasing the lever, turn it clockwise.
When using the lens attached to the macrophoto coupler
for macrophotography etc., set the automatic aperture
lever of the lens in the position for manual operation,
attach the macrohood of the macrophoto coupler to the
lens mount, and turn the breech-lock mount ring.
16
Relationship Between
the Shutter, Diaphragm,
and Mirror
Press the shutter Mirror begins
release button. to snap up.
The shutter clicks. Mirror is up.
The diaphragm closes
down to preset f/stop.
The diaphragm returns Mirror returns to
to maximum opening. former position.