Nikon 2SB Photomic Buku Petunjuk - Halaman 32
Jelajahi secara online atau unduh pdf Buku Petunjuk untuk Kamera Digital Nikon 2SB Photomic. Nikon 2SB Photomic 48 halaman.
Halaman CetakEXPOSURE COMPENSATION ADJUSTMENTS-continued
32
Adjustments for Film Compensation
Some exposure correction
may
be
necessary
when cer-
tain types of films are
used
for copying or photomicro-
graphy applications; the amount
of
correction requ ired,
however,
will
depend on the type of fi
lm
and the spe-
cific
ap plication.
The
fol lowing table
li
sts the exposure
corrections
in
f/stops required for various film/shooting
requirements. Compensation is possible by
adjusting
the
shutter speed
or
the
aperture
by the indicated
amount;
also, compensation
is possible
by adjusting
the
ASA
fi
lm
-speed
index ring.
I
n the
exa
mpl
e shown, the
index
ring is
set
so
that the red mark
is aligned
with ASA
50;
this
sett ing is
the
correct
position to
achieve a one-stop
increase
in
ex posure
(three scale
grad ua
tions
equ al
one
sto
p)
as
requ
ired
wh en
performing
photomicrography
(see table) using ASA 100 Panchromatic film.
I~
Repro-copying &
slide-copying
Letters
or
figures
letters
or
figures
Photo·
Type
B&W
on
on
micrography
offilm
color
photo
light background
dark background
Panchromatic
No
film
compensation
+1
Y2
stops
-
Y2
stop
+1
stop
for
general
use
necessary