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35mm to CCTV Conversion Chart
 
Use your 35mm camera and this chart to help make your lens decision.

35mm to CCTV Focal Length Conversion Chart

35 mm
1/4"
1/3"
1/2"
2/3"
1"
Angle
10
0.9
1.4
1.8
2.5
3.7
120.6
35
3.2
4.8
 6.4
8.8
12.8
53.2
60
5.5
8.2
11.0
15.1
22
32.6
85
7.7
11.6
15.6
21.3
31.1
23.3
110
10.0
15.1
20.1
27.6
40.3
18.1
135
12.3
18.5
24.7
33.9
49.4
14.8
160
14.6
21.9
29.3
40.2
58.6
12.5
185
16.8
25.3
33.9
46.4
67.7
10.8
210
19.1
28.8
38.4
52.7
76.9
9.5
235
21.4
32.2
43.0
59.0
86.0
8.5
260
23.7
35.6
47.6
65.3
95.2
7.7

CCTV focal length numbers shown converted from a 35mm camera zoom lens.
 
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