User manual

3.5.2 Lens Adjustment (Optical Vari-focal Lens)
Field of view: Adjust setting from Telephoto (T) to wide (W) f ield of view.
Focus: Adjust lens focus from near (N) to infinity ( ).
DC Auto IRIS Lens
Lens Type
2.6 ~ 6mm
4 ~ 9mm
2.8 ~ 12mm
6 ~ 50mm
Image Size
1/3” CCD
1/3” CCD
1/3” CCD
1/3” CCD
Focal Length
2.6~6mm 5%
4~9mm 5%
2.8~12mm 5%
6.0~50mm 5%
Aperture
Ratio
1 : 1.6 5%
1 : 1.6 5%
1 : 1.4 5%
1 : 1.6 5%
Angular
DIAGONAL
DIAGONAL
DIAGONAL
Field of View
2.6mm: 134.6
6.0mm: 59.2
4.0mm: 92.4
9.0mm: 39.2
2.8mm: 119.9
12mm: 28.8
6.0mm: 58.6
50mm: 7.1