What is the visual range of the camera lens?

135 Relationship between camera focal length and viewing angle

The diagonal of the focal length of the lens is horizontal and vertical.

(mm) (degree) (degree) (degree)

8 180 180 180

15 1 10 99 76

20 94 83 6 1

24 84 74 53

28 74 64 45

35 62 53 37

50 46 39 26

85 29 24 16

105 23 20 13

135 18 15 10

180 13 12 8

200 12 10 7

300 8 7 5

400 6 5 3.5

500 5 4 3

1000 2.5 2 1.33

2000 1. 17 1 0.67

The focal length x 1.5 is converted into APS frame.