Traditional Culture Encyclopedia - Photography major - What is the viewing angle range of a projector lens with a focal length of 19-22mm? And what is the shooting angle of the 3.6mm surveillance camera?
What is the viewing angle range of a projector lens with a focal length of 19-22mm? And what is the shooting angle of the 3.6mm surveillance camera?
The focal length of the lens is1/3 "CCD and1/4" CCD.
2.8 mm 89.9 mm 75.6 mm
3.6 mm 75.7 62.2
4 mm 69.9 mm 57.0 mm
6 mm 50.0 39.8
8 mm 38.5 mm 30.4 mm
12mm 26.2 20.5
16mm 19.8 15.4
25mm 10.6 8.3
60mm 5.3 4. 1
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