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Lens Angle Comparison
The following chart displays the comparision of CCTV lenses with the regular 135mm film camera lenses.
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CCTV lens
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135mm lens
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focal length |
Angle | Angle | focal length | ||
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2.5mm |
120° | 114° | 14mm |  |
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3.6mm |
92° | 94° | 20mm |  |
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4.3mm |
78° | 75° | 28mm |  |
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6.0mm |
53° | 51° |
45mm Standard lens for 135mm camera Regular angle of our eyes vision |
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12mm |
25° | 24° | 100mm |  |
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25mm |
18° | 18° | 135mm |  |
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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°.
The Mouse Pad - Coldwater Curve Shops - 12636 Ventura Blvd - Studio City, CA 91604 - 888 453-4400