H990VDC4PIR 1/2" 9~90mm DC Auto-Iris, C-mount
Day/Night
Compatible with 1/2", 1/3" & 1/4" Cameras
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Information

Day/Night Lenses
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Focal Length: 9~90mm
Maximum Relative Aperture: 1:1.8
Iris: F1.8~F360 (built-in ND spot filter)
Mount: C-mount (Adjustable Lens Position)
Minimum Object Distance: 0.3m @9mm (from front vertex)
1.0m @90mm (from front vertex)
Angular Field of View:
1/2": 41.1° x 30.3° at 9mm
4.2° x 3.1° at 90mm
1/3": 29.9° x 22.6° at 9mm
3.0° x 2.3° at 90mm
1/4": 22.6° x 17.1° at 9mm
2.3° x 1.7° at 90mm
Optical Back Focal Distance: 11.71~15.37mm (in air)
Operation: Zoom: Manual
Focus:
Manual
Iris: IG (Auto Close System)
Operation Voltage: Close to Open: Less than 4V
Open to Close: More than 0.5V
Operation Temp: -10 ~ +50°C (+14 ~ 122°F)
Filter Size: 46mm P0.75
Size, Approx. Weight: 45 x 51.6 x 93mm (w/h/d), g
(Approx. 1.8 x 2.0 x 3.7 in., oz.)