Publicité
EXPOSURE CORRECTION
Any no rma
l subj
ec
t
can
b
e accu rate ly
exposed b
y
f
o
ll
ow ing the
meter readin g. However
, best results
are obtai ned
un
der
the fo
ll
ow ing
situ ati
ons
b
y
co rrec ting the exposure.
1.
Backlighted
Subjects,
etc.
Bac
kl ighted subj
ects o
r sk i
scenes, w
h
ic
h
are
d omi
-
nated b
y wh ite areas
and
st ro ng
refl
ec
ti
o ns, w
ill t
u
rn
ou
t with th
e
m
ain
subj
ec
t und erex posed
. By open
ing
th
e apert ure
by
1/
2
o
r
1
fu
ll
st
op
,
o
r
by app roac
hing
th
e
main subj
ec
t
to
m
easure
th
e
light
intens
ity, it
can be cor rec
tly exposed.
2. Spot-lighted Subjects, etc.
A person
stand
ing
b
ef
o re a
bl
ack backg
round or
a
spo
t-li
gh
ted
su
bj
ect
in
a stage p lay w
i
l
l
b
e
in
f
luenced
by
t
he dark surrou
ndi
ngs
and t
u
rn
out
overexposed.
T
he
apert
u re
sh
ou
ld b
e
st op ped d
own
b
y 1/2
or 1
full
stop be low
t hat
indica
t ed b
y the meter.
3. Copying Documents
Th
e
m
aj
o
r
por
ti
o
n
o
f
most
d
ocumen ts are occ
u
p
ied
by
whi
te
areas.
Th
e
situ ati on
ca
ll
s
f
or
opening
t he
ape rture
b
y
1
fu
ll
stop
fr
om
th
at
indi
ca
ted
by
t
he
meter.
I
f y
ou
wa
nt
t
o
b
e
m
o re prec
ise,
p lace
an
18%
standard refl
ec tance
card
in front
of
th
e ca
m
era
and
set
th
e exposure
wi
t
h th
e exposure meter.
Fo
r
m aximum
corn
er-to-c
orn er sharpn ess, th
e
m
i
ni
-
mum
prac
t
ica
l
apdrtu
re
shou
ld
be
used f
or
copy ing
wo
rk and for t ak
i
ng c lose-
u ps.
4.
Taking
Advantage of the
Eye
Cup
With th
e aperture
st opped well
dow
n, th
e
li
ght
refl
ec
t ed
f
rom
y
our ey
e
or
spec
t
ac les
(if
you are
wea
rin
g
th eml wi
ll
reac
h th
e
f
ocusin
g
gl
ass
and
slig htl
y
influ
ence
th
e
m
eter
reading.
T
o avo
id thi s,
use
an
Eye
Cu
p
over
the
Vi ewfind er
eyep iece.
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52
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