How to choose lens of security cameras if you want to see human faces/car plate number clearly?
Grace
www.mvteamcctv.com
2017-07-27 12:00:46
Resolution | Focal Length (mm) | See the Details Characteristics (Face/car plate) | See the Physical Characteristics (Body contours) | See the Behavioral Characteristics (People activities) |
D1 | n | n/2(m) | n(m) | 2*n(m) |
720P | n | 0.75*n(m) | 1.5*n(m) | 3*n(m) |
1080P | n | 1.5*n(m) | 3*n(m) | 6*n(m) |
3MP | n | 1.5*n(m) | 3*n(m) | 6*n(m) |