14
Lens and Shutter Functions
Shutter Speeds
The shutter speed selector ring is the ring located
closest to the front of the lens. The desired
shutter speed
is
set against the central lens
index.
The white scale shows the shutter speeds, and
the orange scale the exposure values (EV).
The green F setting is used only when the lens is
attached
to
a Hasselblad camera
in
the 2000
series with a focal plane shutter. The operation of
the diaphragm
is
not affected. The F setting can
only be engaged/disengaged when the green
detent button is pressed. When using the 503cx
or 500C/
M,
the F setting will cause exposure
errors since the shutter remains open.
Aperture
The aperture setting ring is the second closest
ring to the front of the lens. The aperture value is
also set against the central lens index.
CF lenses have an automatic diaphragm that
stops down to the preset working aperture imme-
diately prior to exposure.
Warning Signal
On the shutter speed scale you will find a red
marking opposite the 1, 1/
2,
and 1/4s. This is
to
warn you of possible exposure errors. The
auxiliary shutter remains open only as long
as
you maintain pressure on the release button
(see also page 12).
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