Two Tips For Optimizing Color Balance - Sony BETAMOVIE BMC-220 Operating Instructions Manual

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TWO TIPS FOR OPTIMIZING COLOR BALANCE
POINT 1
Brightness
Is the subject sufficiently I ighted? Because
the Betamovie uses Sony's SMF Trinicon
tube,
most recording can be done without
special lighting
,
indoors or
outdoors.
But for
best results and for proper
f
unction of the
autofocus
system,
which operates according
to light
contrast,
there are times when add i-
tional lighting is necessary (especially in low
light conditions
indoors).
When the light level
is too
low,
the letter
"
L"
will appear in the
viewfinder;
increase the
light
level
as
necessary.
(For further
details,
refer to the section
entitl-
ed
"
Lighting for indoor shoot
ing"
on page
31.)
Light direction
Generally, shooting shou ld be done with the
sun at your back
(front-lighting).
This will il
-
luminate the subject naturally and provide the
best results from the very beg inning of you
r
shooting.
It is also possible to
shoot
with the sun
behind your subject
(back-lighting),
but th is
technique is more likely
to
produce less than
satisfactory results until you become profi-
cient. Fron-lighting usually provides better
results unless you 're trying to create special
effects.
18
POINT 2
White Balance
Because
Betamovie
uses
an
optical
viewfinder,
the image you see in it is usually
the same color as that of the
subject
. This is
not always the case with the image
being
recorded
, however,
because of the fact th at
the color of the subject can be affected by the
color temperature of the ambient
li
ght. The
human eye has the ability to
adapt
to th is
situation,
but a video camera does not. So to
compensate for light temperature
variations,
the white balance control is used.
(See
"
Understanding light and
color"
on page
33.)
White balance adjustment
First,
set the FILTER to the appropriate am-
bient light
position,
depending on the most
dominant light
source.
(yellow)
Reco rd
ing
indoors in
incandescent
or
f luorescen
t
light
(blue) Record ing
out
doors
in sunlight
If the camera is indoors but the subject being
recorded is in a window or
outdoors,
set the
FI LTER to the
·O-
position.
Recording
indoors,
but with
sunlight
as
the dominant light
source.

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