Illumination requeriments

Use

Foot Candles

Comparable with outdoor light.For photography, hospital operating rooms

1000

Color-matching in manufacturing

500

Extra fine inspection work

200

Prolonged seeing tasks involving fine detail

100

Lengthy seeing tasks-drafting, sewing

50

Rough bench-and machine work; reading or writing for short periods

20

Intermittent visual work; rough manufacturing, stockrooms

10

Auditoriums,corridors, etc.; general illumination in the home

5