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ECL-37MMC: 3.7mm Fixed Focus Lens in Conical Housing (pinhole lens)

This fixed focus lens has a 3.7mm focal length. It is designed to fit board cameras, like our ECL-454 series. If you are designing a pinhole hidden camera, this is the lens to use.

Use the chart below to compare the field of view of this lens to other lenses. Try to keep in mind on-site factors that can effect the subject you want to monitor.

  • High quality optical glass
  • Fits board cameras.
 
Lens Focal
Length
Distance between camera and monitored zone
5-feet
10-feet
15-feet
25-feet
50-feet
100-feet
Millimeters
Horz area
Vert area
Horz area
Vert area
Horz area
Vert area
Horz area
Vert area
Horz area
Vert area
Horz area
Vert area
2.45
17.3'
13'
34.6'
26'
51.9'
39'
86.5'
65'
173'
130'
346'
260'
2.80
14'
10.5'
28'
21'
42'
31.5'
70'
52.5'
140'
105'
280'
210'
2.97
12.3'
9.6'
24.6'
19.2'
36.9'
28.8'
61.5'
48'
123'
96'
246'
192'
3.60
7.5'
5.7'
15'
11.4'
22.5'
17.1'
37.5'
28.5'
75'
57'
150'
114'
3.70
7.3'
5.5'
14.6'
11'
21.9'
16.5'
36.5'
27.5'
73'
55'
146'
110'
4.0
6.6'
5'
13.2'
10'
19.8'
15'
33'
25'
66'
50'
132'
100'
4.30
6.1'
4.6'
12.2'
9.2'
18.3'
13.8'
30.5'
23'
61'
46'
122'
92'
5.0
4.7'
3.5'
9.4'
7'
14.1'
10.5'
23.5'
17.5'
47'
35'
94'
70'
6.0
3.8'
2.9'
7.6'
5.8'
11.4'
8.7'
19'
14.5'
38'
29'
76'
58'
8.0
2.9'
2.2'
5.8'
4.4'
8.7'
6.6'
14.5'
11'
29'
22'
58'
44'
12.0
1.9'
1.5'
3.8'
2.8'
5.7'
4.5'
9.5'
7.5'
19'
15'
38'
28'
16.0
1.4'
1.1'
2.8'
2.2'
4.2'
3.3'
7'
5.5'
14'
11'
28'
22'
25.0
1'
0.7'
2'
1.4'
3'
2.1'
5'
3.5'
10'
7'
20'
14'
50.0
0.4'
0.3'
0.8'
0.6'
1.2'
0.9'
2'
1.5'
4'
3'
8'
6'