L851VDC4PIR IR Coated 1/3" 8.5-51mm 
DC type Auto-Iris with 4-pin, CS-mount
Compatible with 1/3" & 1/4" Cameras
Focal Length: 8.5-51mm
Maximum Relative Aperture: 1:1.6
Iris: F1.6-Approx. 360 With ND Spot filter
Mount: CS-mount (Adjustable Lens Position)
Minimum Object Distance: 0.8m (from front vertex)
Angular Field of View:
1/3": 27.5° x 21.0° at 8.5mm
4.8° x 3.4° at 51mm
1/4": 21.0° x 18.0° at 8.5mm
3.4° x 3.0° at 51mm
Optical Back Focal Distance: 15.89mm (in air)
Operation: Zoom: Manual
Focus: Manual
Iris: IG (Auto-Close System)
Operation Voltage: Close-Open: 3V,
Open-Close:
> 0.5V
Operation Temp: -5C – +45°C (+14 ~ 122° F)
Filter Size: 37.5mm P0.5
Weight: Approx. 130g (4.2oz)

L851VDC4P Dimensions



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