Lens Chart

Security Cameras – Lens Chart

Resolution: A Surveillance Camera’s performance is based on the number of horizontal lines that the chip in the camera provides. The lines of resolution determines the quality of the video the camera can produce. The higher the number of lines of resolution, the better the video quality.

Performance

Color

B/W

Standard

480 Lines

420 Lines

Medium

540 Lines

480 Lines

High

700 Lines

700 Lines

Lens: The lens determines the field of view the camera provides. Lenses range from 2.8mm to 18mm on an average. The larger the lens size the farther it will view. The draw back to a 12mm or 18mm lens is that the horizontal view narrows to as little as 15 feet.

Lens

Distance

Width

2.8 mm

10 feet

15 feet

3.6mm

30 feet

30 feet

6 mm

60 feet

20 feet

Lux and low lighting chart
Condition Illumination
(LUX) (FTCD)
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

resolution

Depth Of Field 2

focal length 2 focal length

 

lens mm

631-482-8114