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$peed
lens
and
$hutter
Functions
The shutter speed selector
ring is
the
ring located
closest
to the front 6f,'ihe.lens. To set the speed,
turn the ring until the desired marked shutter
speed
position
aligns with the central lens
index.
The white scale shows the shutter speeds,
and
the
orar.rge scale the exposure values
(EV).
The
gieen
'F'
setting is used only when the lens is
attached to a
Hasselblad
camera
in
the
200
or
2000 series with a focal
plane
shutter. The opera-
tion of the diaphragm
is not
affected.
The
'F'
set-
ting can only be engaged/disengaged when the
green
lever is
pressed.
If the F setting is used with
the 503CW, exposure errors will occur since the
shutter
remains
open.
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 at the start of the expo-
sure sequence.
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14 "
Lens and
Shutter
Functions