Sony BETAMOVIE BMC-220 Instrukcja obsługi - Strona 14
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Drukuj stronęMANUAL FOCUSING
To focus
the unit
manually
using the focus
ring,
set
the FOCUS
switch
to the
MANUAL
position.
Focusing
To
fucus,
first make the
subject
as large as
possible
in
the viewfinder
by using the
telephoto lens
setting.
After
the
focus
is
set,
the
subject
will remain in perfect focus
regardless
of
the
zoom
setting.
Turn the
zoom
ring all
the
way to
the
right
(Tele-
photo 54)
to
make the
subject
as
large
as
possible in
the
view-
finder.
Turn the
focus
ring from
the
1
m position to the
oo
(infinity)
posit
ion
to
achieve
sharp
focus
.
Set
the
desired
shot
length using
the zoom
ring
.
Focusing with the lens in wide
angle
can lead
to shots being out
of focus.
This is
because the
focusing field is
wider in
wide angle than in telephoto, making it harder
to achieve sharp focus.
14
How to ensure proper focus·
ing
To achieve properly focused
recordings:
•
Adjust focus sharply on the subject (use
vertical lines
for
reference,
if
possible).
•
A well-lighted subject provided sharper
focus.
When shoot
ing
a
scene with
lots of move-
ment
outdoors,
the
subject
can be kept in
good focus
regardless of movement
by:
Setting the zoom ring
to 9
and the
foucs ring to 2
m.
Focus
depth of field
Indoors
1.2-9.5 m
(4-30
ft.)
Outdoors,
c
lear
40 cm-oo (1
5 in.-oo)
Reference
Focus
depth of
field with zoom ring
set
at 9:
Focus ring
Focus depth of field
1 m (3 ft.
3
in.)
0.72-1.65
m
(2ft.
4
in.-5
ft
.
5
in.)
1.2
m
(3
ft. 11
in.) 0.81
-
2.28
m (2 ft. 8 in.-7
ft
.
6
in.)
1.5
m
(4
ft. 11
in.)
0.94-3.68 m
(3
ft. 1
in.-12
ft.
1
in .)
2 m
(6 ft. 7 in.)
1.12-
9.53 m (3 ft.
8
in.-
31 ft. 3
in
.)
3 m
(9 ft.
10
in
.)
1.37-
oo
(4 ft.
6 in
.-oo)