stopped-down coupling lever becomes visible,
Manual Diaphragm Control
as does the red mark in the case described
The insertion of manual accessories or
above..
a macrophoto coupler between the camera
When
FD
lenses are directly mounted on
ard an
FD
lens requires setting the lens for
the
AE-1,
metering should always be done at
manual diaphragm control before
stopped-
full aperture. Stoppeddown metering would
down metering is possible. The instructions
give the wrong exposure. The only exception
for the various accessories involved will tell
to this rule is the use of
noneoupled ac-
you whether or not this
is
necessary.
cessories between lens and camera body. During stoppeddown metering, the
flashing
"M"
LED
will appear in the view-
finder as usual when the shutter button
is
pressed halfway to indicate the aperture
is
being set manually.
All FD lenses which lack a chrome
mount ring, with the exception of the
Macro lenses, are set for manual dia-
phragm control as follows:
1.
Before mounting the lens, insert the hole
of the
accesrory manual diaphragm adapter
over the tip of the automatic aperture lever
at the rear of the lens. Push the
lever to the
right and lower the adapter into the groove
to lock the lever in that position.
I
2.
Mount the lens onto the accessory. The
diaphragm will now open and close as the
aperture ring is rotated.
56
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