Hikvision HV3816D-8MPIR

DC-iris vari-focal eight megapixel IR lens (aspherical).

Focal Length: 3.8-16mm 
Aperture Range: F1.5-C 
Lens Mount: CS 
Format: Φ9mm（1/1.8"） 
Horizontal Angle of View: 1/1.8":103.1°~28.0°
1/2":100.7°~27.3° 
Min.Working Distance: 0.1m 
Iris Control: DC 
Weight: 237g 
Dimension: Φ55*75mm