.
SMC
TAKUMAR
90mm
f/2.8
___________
_
LEAF
SHUTTER
LENS
The SMC Takumar
90mm
lens
is
a
multi-functional lens
with
a built-in leaf shutter.
It
also features its
own
shutter speed settings
from
1/
30
to
1/
500
sec.,
which
are extremely
convenient
for
overcoming the flash synch
problems inherent in the focal plane shutter.
In addition,
it
produces easy and efficient
multiple exposures and includes a built-in
X-flash terminal along
with
a cable release
contact. Basic applications are
as
follows
:
(for detailed operating instructions, refer
to
the instructions accompaning the lens).
20
1. Used
as
is
without
cocking the lens shutter,
it
functions
as
a normal standard lens
with
fully automatic diaphragm action.
2. Use
with
the lens shutter cocked and the
lens' U-S lever set
to
"u"
it
provides
fill
-
in
flash at speeds
from
1 /
30
to
1 /
500
sec. (the
minimum speed
for
fill-in flash is 1 /
30
sec).
In this instance, set the camera's shutter speed
dial
to
1 /8 sec.
or
slower. Then, hook
an
electronic flash
to
the lens' X-synch terminal.
When
you
trip
the shutter your exposure will
be
made
with
the leaf shutter in the lens.
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