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
The Optics Course
Lesson 1 Lesson 2 Illumination requeriments Quiz Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11
Illumination requeriments Quiz Lesson 2
Readings More readings and more
Introduction 1 - Lesson 2 - Lesson 3 - Lesson 4 - Lesson 5 - Lesson 6 - Lesson 7 - Lesson 8 - Lesson 9 - Lesson 10 - Lesson 11
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The Optics Course
Illumination requeriments