TECHNICAL SUPPORT
NGLE OF VIEWA
It is important to know the angle of view of the lens
to take in the object. Angle of view changes with focal
length of lens and image size of camera. The focal length
to cover the object can be calculated from the following
formula.
☉Formula for calcuation
f：focal length of lens
V：Vertical size of object
H：Horizontal size of object
D：Distance from lens to object
v：vertical size of image（see the following table）
| Format |
1 inch |
2/3 inch |
1/2 inch |
1/3 inch |
| v |
9.6mm |
6.6mm |
4.8mm |
3.6mm |
| h |
12.8mm |
8.8mm |
6.4mm |
4.8mm |
☉For example
|
