Eyepiece Adjustment; Producing Best Color Program - Hitachi VM-3100A Instruction Manual

Video camera/ recorder
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EYEPIECE ADJUSTMENT
To use the electronic viewfinder without eyeglasses on,
adjust the Diopter Control for optimum focus adjust-
ment.
Diopter Control
PRODUCING BEST COLOR PROGRAM
LIGHTING — Lighting should be uniform from the top —
Essential points on lighting people
1. A key light should be provided at the upper Jeft in
front of the person.
2. A weaker base light (spot) should be provided at the
upper right and balanced with the key light.
(Adjusting so that the left:right ratio is 2: 1.5 by
moving the lights backwards and forwards.)
Key light from upper left
Approximate brightness value (for reference only}
3. Use one more light behind the subject.
This em-
phasizes
the
person's
head
and
shoulders
and
prevents
the
subject
from
being
lost
in
the
background.
Caution:
Do not place lighting equipment
near the
Video
Camera/Recorder
as
heat
from
the
lighting
equipment can cause the Video Camera/Recorder to
malfunction.
Back light
Base light from upper right, a little weaker
Unit: lux
[{umination of 500 to 100,000 fux is required
for clearest pictures, though the camera
can
shoot an object in illumination of 7 to 100,000
lux.
Increase illumination when object illumi-
nation is Jess than 500 Iux.
Install an ND
(Neutral
Density)
filter
(46 mm
dia.
and
0.75 mm
pitch) on the lens if an object's il-
lumination exceeds 100,000 Jux.
Candle at 20 cm (10—75)
Cigarette lighter at 30 cm (15)
During intermission at a movie theater (15—35)
Workshop
in a machinery factory (150—200)
Arcade at night (150—200)
Flashlight at 1 meter (250)
Study desk with fluorescent lighting (400)
Office with fluorescent lighting (400— 500)
Library reading room (400—500)
Bowling alley (500)
Sales floor of a department store (500— 700)
Clear day one hour before sunset (1,000)
Cloudy day one hour after sunrise (2,000)
Cloudy day at 10 AM (25,000)
Cloudy day at noon (32,000)
Clear day at 3 PM (35,000)
Clear day at 10 AM (65,000)
Clear day at noon (100,000)

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