Cameras :: 1/3" Vari-Focal Lens, 5-100.0mm, DC Driver, CS Mount Auto Iris - Security DVR and CCTV Digital Video Recorder Security System for Surveillance in Texas: Houston, Dallas, Austin, San Antonio, DWF, Ft Worth

Approximate horizontal angles of view with various CCD chip sizes (in degrees)
Focal length	1/3"	1/4"
2.0mm	-	82
2.8mm	86	57
4.0mm	67	47
4.8mm	57	40
6.0mm	48	32
8.0mm	36	25
12mm	25	17
16mm	17	13
25mm	12	8
50mm	6	4

1/3" Vari-Focal Lens, 5-100.0mm, DC Driver, CS Mount Auto Iris