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36
FOCUS-LOCK SHOOTING
,>
-
Ji
If
yo
u shoot
withou t positi oning
th
e a
utofocus
frame
«(J )
on th
e
m
a in subject of
th
e
illu
stra
tion as
shown
abovc, on
ly
the ba
ckground will
he
in
foc us. When
th
e main su
hjcc
t
is
off th
e
a
u tofocus frame
in t
he ce
nter of th
e
viewlind er ,
use
th
e foc
us-Jock
techniqu e.
(
Fo
cus
lock is
th
e
Iun
ct ion to Joc k Ioc us.)
'
......
.
.,,
,.-.,
'~.[ J
Fo
cus
on th
e
su
hject
with th
e a
utofocus
fra m
e
«(J).
.
When you wis
h
to
focu s
on the
fa ce, w
h ich
a
p
pca rs
very
sma ll in th
e
vicwfinde
r,
focus
on
Note:
th
e
chest inst
ead to
fill th
e focus frame
with
•
You ca
n
releas e
focu s lock
sim p ly by liftin
g
mor e
or
the
subj
cct
.
yo ur
finger from
th
e
sh uu
e
r
relea se
butten.
2
When
th
e
shutter
releas
e
b
urt on is
d
epressed
h
alfwa y
d
own ,
th
e
grec n
larnp
on th
e lefr
hand
side
of t
he viewfinder
lights up a
nd th
e
exposure
a
nd focus
a
re
tem por a ril y
lock
cd
,
3
While depressmg
th
e shutte r
r
elease burton
halfw a y,
rc-aim
th
e
ca me ra
or
recompose t
he
pi
cture,
th
en
rclc
ase
th
e
sh u t
rer.
Hard-to-autofocus
subj
ects
L
ike
many
e
t he r aut
ofocus ca
me ras, th
e
ca
m cra
's a
uto focus syste m
is highly
pr
e
cise,
but
nut p
erfect
o
Sorne
subj
ects
may
no t
be focu
sed as you wish
.
In suc h
a case,
use
the
focus-lock
techniqu
e
on
a su
bj
ec
t
near
th
e act
ua l one and
eq
u id ista n t
fram
th
e
lens.
Su bj ects whieh may fool
th
e
syste m incl udc
:
1.
Bla
ck
objcc ts
like
hair, whi
ch
don 't re
Ilcct rnu
c
h
light
(and th
erefor c don't
reflect
infra red
a
u tofoc us
beam s)
,
2.
Wirc
nell
ing, la
u iccwork,
ira
n
exe
rcisc
ba rs, etc
.
3.
Fli
eker ing light
so urces suc h as
neo
n
signs,
fluor
escent lamps, T
V im
ages,
sun
light co
m ing through tr
ees,
etc
.
a
nd sub
j
ecis
illum
ina
ted by th
esc light sou
rce
s.
4. G
lossy an
d
refl ccri ve
surfaces lik
e glass,
mirro rs, ca
r bod
ies,
etc
.
5.
Fast-rnov ing
objcct
s, lik
c
t
ra ins o
r auto
mobiles
in
motion.
6.
W
at
cr
jet
s, wal
er
su
rface,
srno
kc,
flarn e,
.
fireworks,
ei
c.,
whi
ch hav
e
no
dis
tin ct
or
consistent form, or
a
suhjec t in
rnist.
37
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