Sharp VL-H400X - Page 43

100,000 (Lux)
1,000
400
10
I
1
Blue sky
Clear day at noon (100,000 lux)
Clear day, one hour before sunset
(1.000)
Fluorescent desk lamp (400)
Cigarette lighter at 30cm (15-20)
10,000 (K)
9,000
8,000
7,000
6,500
6,000
5,500
5,000
4,500
3,500
3,200
2,800
2,500
2,000
Clear day
Cloudy day
Rainy day
Daylight fluorescent ltght
Camera flashbulb
Blue photolamp
White fluorescent light
Off -white fluorescent light
Tungsten photolamp
Halogen lamp
Tungsten lamp
Iodine lamp
Acetylene lamp
Kerosene lamp
Candlelight
Blue
I A
Whtte
U
T
I-
O
Yellow
Red 1
LIGHTING
For clear, good-quality recording, 500 to 100,000
Iux IS needed. Recording IS also possible with less
light. but the picture quality may suffer Adequate
llghttng IS also essential for correct white balance
In most outdoor, daytime scenes, natural lighting
IS adequate for home videos. Indoors, the situation
becomes more complicated Arttficlal lighting IS
required. and halogen lamps provide the most
natural artlflclal light while maintaining a constant
colour temperature over a long operating life.
Good llghtmg IS difficult to achieve There are many
problems waiting to catch the unwary Simply
mounting one light or several lights on either side of
the VIEWCAM will only make your subject look flat
and two-dImensIonal To make a subject more Inter-
esting, use the llghtlng to model your subject and to
add or create emphasis In a scene
tm
Auto White Balance should normally be used tn the
colour temperature range shown on the left. However,
It wtll satisfactorily operate from 2 500K up to 8,OOOK.
although the ptcture may take on a red or blue tint
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