L851VGECS 1/2" 8.5-51mm Manual Iris, CS-mount
Compatible with 1/2" & 1/3" Cameras
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Focal Length: 8.5~51mm
Maximum Relative Aperture: 1:1.4
Iris: F1.4~Approx. 360 with ND Spot Filter
Mount: CS-mount (Adjustable Lens Position)
Minimum Object Distance: 0.25m (from front vertex)
Angular Field of View:
1/2": 41.3° x 31.5° at 8.5mm
7.2° x 5.4° at 51mm
1/3": 31.5° x 23.9° at 8.5mm
5.4 ° x 4.0 ° at 51mms
1/4": 23.9° x 18.0° at 8.5mm
4.0° x 3.0° at 51mm
Optical Back Focal Distance: 15.89mm (in air)
Operation: Zoom: Manual
Focus:
Manual
Iris:
Auto (DC+8~16V: Fixed Voltage, Max. 40mA) Auto-Close System Speed Within 4 sec.
Auto-Iris Accuracy:

With Input Video Signal 0.7Vp-ps

Within ±10% of Mean Value
Operation Temp: -10 ~ +50°C (+14 ~ 122°F)
Filter Size: 37.5mm P0.5
Size, Approx. Weight: 48 x 59 x 79.4mm (w/h/d), 130g
(Approx. 1.9 x 2.3 x 3.1 in., 4.6oz.)