Pentax SF-1 SF-1 Manual - Page 57
Infrared, Index
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INFRARED INDEX 11111111111111111111111111111111 ft. c°10 3 2 +t 22 S6 22 16 5.63 22 16 11 8 5.6 4 2.6 21A i216 11 8 5.6 4 2.8 214 In infrared photography when using infrared film and an R2 or 02 filter, you need to adjust the focusing to compensate for infrared rays, which are different from the visible rays of normal photography. As illustrated at left, memorize the subject's distance indicated on the lens distance scale after focusing, then turn the focusing ring to align that distance setting with the red infrared index before shooting. (See the film's instructions for exposure settings.) • Be sure to set the focus-mode switch at the MANUAL position before turning the focusing ring manually. . , _ fr A Ac" ,4-4/110Y. 53 •
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INFRARED
INDEX
11111111111111111111111111
111111
22
S6
ft.
22
16
11
8
5.6
4
2.6
21A
c°
10
3
2
22
16
5.63
+t
i216
11
8
5.6
4
2.8
214
In
infrared
photography
when
using
infrared
film
and
an
R2
or
02
filter,
you
need
to
adjust
the
focusing
to
compensate
for
infrared
rays,
which
are
different
from
the
visible
rays
of
normal
photography.
As
illustrated
at
left,
memorize
the
subject's
distance
indicated
on
the
lens
distance
scale
after
focusing,
then
turn
the
focusing
ring
to
align
that
distance
setting
with
the
red
infrared
index
before
shooting.
(See
the
film's
instructions
for
exposure
settings.)
•
Be
sure
to
set
the
focus
-mode
switch
at
the
MANUAL
position
before
turning
the
focusing
ring
manually.
. ,
_
fr
A
Ac"
,
4-4/1
1
0Y.
53
•