Vista VIP2 VK2-540VRD, Руководство пользователя

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3.5.2 Lens Adjustment (Optical Vari-focal Lens)
Field of view: Adjust setting from Telephoto (T) to wide (W) field 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
◦