Note, F t a, I ' j – Sharp VIEWCAM VL-WD650U User Manual

Page 101: Useful information, Ш. a, Lighting, Hints for better shooting, Tips on good lighting

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Useful Information

Lighting

Hints for Better Shooting

• Position the subject in the center of the

scene. When you are using auto focus,
whatever is in the center of the scene is kept

in focus.

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Light from behind Backlighting

• Before zooming, think about how to best

frame the shot. Frequent zooming produces

unattractive pictures. It also increases the
battery power consumption.

• When image shaking is noticeable during

zoomed-in telephoto shooting, use a tripod or

push the Power Zoom control to the W side to

zoom out.

• Horizontal panning (lateral movement) and

tilting (vertical movement) should be done

slowly to emphasize the wide expanse of a
scene or the height of a building, and to

make scenes easy to watch during playback.

• Use a wide-angle setting for fast-moving

subjects.

Note:

• It may take longer to focus when zooming and

panning are used frequently.

For clear, good-quality recording, 500 to

100,000 lux is needed. Recording is possible

with less light, but the picture quality may
suffer. Adequate lighting is also essential for
correct white balance.

Position the subject in Focus manually when you

the center.

need to position the

subject off center (see

pages 47 and 48).

• Avoid backlit subjects. For the best picture,

shoot with the light source behind you.
When the background is brighter than the
subject, the subject often becomes too dark.

If you have to record with this lighting, use

Gamma Brightness Compensation or correct

the exposure level to improve the picture (see

pages 33 and 51).

Brightness

(Lux)

Situation (Lux)

100,000

Blue sky

Clear day at noon (100,000)

10,000

Clear day at 10 am (65,000)

Clear

day

at

3

pm

(35,000)

Cloudy

day

at

noon

(32,000)

Ш

Cloudy day at 10 am (25,000) —

f

1,000

Cloudy day, one hour after sunrise (2,000) ”

Clear day, one hour before sunset (1,000) S

Fluorescent light near window (1,000)

100

Factory floor (700- 800)

Sales counter in department store (500- 700)

Bowling alley (500)

Library (400- 500)

Office with fluorescent lighting (400- 500)

Fluorescent desk lamp (400)

Flashlight at 3 ft (1 m) (250)

Shop stairway (100)

10

During intermission at movie theater (15- 35)

Cigarette lighter at 1 ft (30 cm) (15- 20)

Candles on bidhday cake at 8 inches (20 cm) (10-15)

Candlelight

Note:

The figures in the chart are approximations.

Tips on good lighting

In most outdoor, daytime scenes, natural

lighting is adequate for home videos. Indoors,
however, artificial lighting is usually required.

Video lights with halogen lamps provide the

most natural artificial light over a long operating
life.

86

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