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linux dvr cctv
Serving Seattle and the great northwest since 1996


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Lux and low lighting chart
Condition Illumination Details
(FTCD) (LUX)
Sunlight
Full Daylight
Overcast Day
Very Dark Day
Twilight
Deep Twilight
10,000
1,000
100
10
1
.1
107,527
10,752.7
1,075.3
107.53
10.75
1.08
Daylight
Range
Full Moon
Quarter Moon
Starlight
Overcast Night
.01
.001
.0001
.00001
.108
.0108
.0011
.0001
Low Light
Level Range


lens
size
Field of View (in ft.)
5 ft
away
10 ft
away
15 ft
away
25 ft
away
50 ft
away
100 ft
away
mm
w
h
w
h
w
h
w
h
w
h
w
h
3.6 7.5 5.2 15.1 10.4 22.6 15.6 37.7 26.1 75.4 52.1 151 104
6.0 3.8 2.9 7.7 5.7 11.5 8.6 19.2 14.4 38.4 28.7 77 57
8.0 2.9 2.1 5.7 4.3 8.6 6.4 14.4 10.7 28.7 21.3 57 43
12.0 1.9 1.5 3.9 3.0 5.8 4.5 9.7 7.5 19.4 14.9 39 30
50.0 .5 .4 1.0 0.7 1.4 1.1 2.4 1.8 4.8 3.6 9.6 7.2