CCTV - Closed Circuit Television Practice Test
CCTV - Closed Circuit Television CCTV CCTV Camera Technology and Optics
What does the term 'focal length' refer to in CCTV camera lenses?
Select your answer
A
The distance from the lens to the image sensor where parallel rays converge
B
The maximum distance a camera can detect motion
C
The width of the camera's housing
D
The power consumption of the camera module
Hint