CCTV Lens: JENSEN 2.8 - 12 mm DC F1.4

Name	JENSEN 2.8 - 12 mm DC F1.4
Focal length [mm]	2.8-12
F-number	1.4
Minimum focusing distance	not specified
Size of sensor ["]	1/3
Horizontal viewing angle: for 1/3" sensor [o] for 1/4" sensor [o]	82-23 68-17
Manual iris	NO
AI	YES
AI control	DC
Mount	CS
Weight [kg]	0.16
Notice	mounting: metal ring

It is an auto-iris lens (DC Drive) with manual focal length control. The length is adjustable from 2.8 to 12 mm. This range allows fast and easy selection of desirable angle of view. For instance, the angle of view of a camera with a 1/3" sensor can be adjusted from 82^o to about 23^o.