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The Hasselblad
503CW uses
lenses from
the
Hasselblad C and CF series. These lenses have
built-in
leaf
shutters with speeds from ls to
1/500s
and
B. Flash
synchronization occurs at
full
shutter opening
via
the PC flash terminal. Suitable
electronic flash units can be used at all shutter
speeds from 1s
-1l500s
as well as
B.
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Infrared
(IR)
rays
(wavelengths
longer than 800
nm) form an image
on a
plane
further
away
from
the lens than the image
plane
for visible light. To
compensate
for
this difference
you
have to align
the chosen distance against the red IR index
and
not
the
normal
central index. Proceed as follows:
1) Focus
as usual on the focusing screen.
2) Note the distance on the focusing scale that is
opposite the central index line.
3) Now rotate the focusing ring
to set this dis-
tance opposite the red IR index line instead
of the central index line.
Lens and Shutter Functions