Sony CCD-V8 Operating Instructions - Page 46

Understanding, Light, Color

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UNDERSTANDING LIGHT AND COLOR s) The single greatest influence on picture quality is the brightness level. Using the following chart as a reference, take a few minutes to familiarize yourself with brightness levels to improve your recording. on' Exceptionally bright scenes such as sunny days at the beach in summer or on snow fields in winter will look "washed out" when recorded. To make these scenes recorded naturally, an NDfilter is required. (Refer to the chart) Three types are available-ND2, ND4, ND8-which reduce the exposure level to 1/2, 1/4, and 1/8, respectively. Select filters to match the lens diameter of 46 mm. Unit: lux NO filter required Snow-covered mountains Snow fields Sandy beach, clear day in summer 40, 300 Video light recom- mended Video light required tO,O30 4)4Prert 44y. me haw. *her tufttrise 42.440 Office tit by buoresorit locos.rrsit elniker 0,060V CAM-cliq,one hour,tiefote Outlast itte0, 1 store tietfeelikiket 050) Office lit by fluorescent lamps (400, -.500) Room lit by two 30 W Fluorescent lamps (300) Subway station platform (300) 100 Arcade at night (150--200) Theater lobby (15-'.35) Candle light (10-,15) 10 Color temperatur -tow it effects white balance adiustment if the temperature of an object continues to Increase, it will eventually begin giving off light. At this time, there is a fixed relationship between the object's temperature and its "light color." The temperature of the object radiating the light is expressed in absolute temperature (°K). This is also known as the color temperature, which in turn stands for "light color." As color temperature increases, the light color changes from red to yellow to white to blue. Natural light colour temperature (°K) Clear sky Slightly overcast -, Colour change Artificial light colour temperature(°K) Cloudy, rainy • ,000 Fluorescent lamp (clear) Direct sunlight Time after sunrise/ before sunset 2 hr. 5,000 1 hr. 4400 White 4.000 3,500 40 min. Fluorescent lamp (white) Flourescent lamp (off white) Studio lamp , Halogen lamp • 30 min. 20 min. Tungsten lamp Sunrise/sunset Candle light 47

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UNDERSTANDING
LIGHT
AND
COLOR
s)
The
single
greatest
influence
on
picture
quali-
ty
is
the
brightness
level.
Using
the
following
chart
as
a
reference,
take
a
few
minutes
to
familiarize
yourself
with
brightness
levels
to
improve
your
recording.
on'
Exceptionally
bright
scenes
such
as
sunny
days
at
the
beach
in
summer
or
on
snow
fields
in
winter
will
look
"washed
out"
when
record-
ed.
To
make
these
scenes
recorded
naturally,
an
ND
filter
is
required.
(Refer
to
the
chart)
Three
types
are
available—ND2,
ND4,
ND8—which
reduce
the
exposure
level
to
1/2,
1/4,
and
1/8,
respectively.
Select
filters
to
match
the
lens
diameter
of
46
mm.
Color
temperatur
NO
filter
re-
quired
Video
light
recom-
mended
Video
light
required
Unit:
lux
40,
30
0
tO,O30
100
10
Snow-covered
mountains
Snow
fields
Sandy
beach,
clear
day
in
summer
4)4Prert
44y.
me
haw.
*her
tufttrise
42.
4
40
Office
tit
by
buoresorit
locos.
rrsit
elniker
0,060V
CAM-
cliq,
one
hour,tiefote
Outlast
itte
0
1
,
store
tietfeelikiket
050)
Office
lit
by
fluorescent
lamps
(400
,
-.500)
Room
lit
by
two
30
W
Fluorescent
lamps
(300)
Subway
station
platform
(300)
Arcade
at
night
(150--200)
Theater
lobby
(15-'.35)
Candle
light
(10-,15)
-tow
it
effects
white
balance
adiustment
if
the
temperature
of
an
object
continues
to
Increase,
it
will
eventually
begin
giving
off
light.
At
this
time,
there
is
a
fixed
relationship
between
the
object's
temperature
and
its
"light
color."
The
temperature
of
the
object
radiating
the
light
is
expressed
in
absolute
temperature
(°K).
This
is
also
known
as
the
color
temperature,
which
in
turn
stands
for
"light
color."
As
color
temperature
increases,
the
light
color
changes
from
red
to
yellow
to
white
to
blue.
Natural
light
colour
temperature
(°K)
Colour
change
Artificial
light
colour
temperature(°K)
Clear
sky
Slightly
overcast
-,
Cloudy,
rainy
•
Direct
sunlight
2
hr.
1
hr.
4400
White
4.000
3,500
Time
after
sunrise/
before
sunset
40
min.
30
min.
20
min.
Sunrise/sunset
,000
Fluorescent
lamp
(clear)
5,000
Fluorescent
lamp
(white)
Flourescent
lamp
(off
white)
Studio
lamp
,
Halogen
lamp
•
Tungsten
lamp
Candle
light
47