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Lens Comparison 

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Lens Comparison Chart

The following chart displays the comparision of CCTV lens with the regular 135mm film camera lens.

CCTV lens

135mm lens

 

 

focal length

Angle

Angle

focal length

 

 

2.5mm

120°

114°

14mm

15d-pic

15d-2

3.6mm

°92

94°

20mm

20d-1

20d-2

4.3mm

78°

75°

28mm

28d-1

28-d2

6.0mm

53°

51°

45mm

Standard lens for 135mm camera regular angle of our eyes vision

50d-1

50d-2

12mm

25°

24°

100mm

85d-1

85d-2

25mm

18°

18°

135mm

135d-1

135d-2

Canon-USA has a visual comparision chart of their lens.
Please visits them. It is fun to find out how wide is 120° or 18°