详情
DS-2AE4225T-D. Hikvision 4-inch 2 MP 25X Powered by DarkFighter Analog Speed Dome
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High quality imaging with 2 MP resolution
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Excellent low-light performance via powered-by-DarkFighter technology
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Clear imaging against strong back lighting due to 120 dB WDR technology
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Pan and tilt ability enables camera to monitor zones of interest
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25x optical zoom allows for closer viewing of subjects in expansive areas
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Water and dust resistant (IP66)
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Lens
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FOVHorizontal field of view: 57.6° to 2.5° (wide to tele),Vertical field of view: 34.4° to 1.4° (wide to tele),Diagonal field of view: 64.5° to 2.9° (wide-tele)
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Zoom SpeedApprox. 3.6 s (optical, wide to tele)
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Working Distance10 mm to 1500 mm (wide to tele)
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Aperture RangeF 1.6 to F 3.5
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Focal Length4.8 mm to 120 mm, 25× Optical
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Image
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Max. Resolution1920 × 1080
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Camera Module
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Frame Rate50Hz: 25fps @(1920 × 1080),60Hz: 30fps @(1920 × 1080)
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AGCAUTO/MANUAL
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DNR3D DNR
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Regional FocusYes
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Image Sensor1/2.8'' progressive scan CMOS
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ModelDS-2AE4225T-D(C)
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Min. IlluminationColor: 0.005 Lux @(F1.6, AGC ON),B/W: 0.001 Lux @(F1.6, AGC ON)
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White BalanceAUTO/MANUAL/HAUTO/ATW/INDOOR/OUTDOOR
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Shutter TimePAL: 1/1 s to 1/10,000 s,NTSC: 1/1 s to 1/10,000 s
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Day & NightIR cut filter
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Digital Zoom16×
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Privacy Mask8 programmable privacy masks
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Focus ModeAuto/Semiauto/Manual
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WDR≥ 120 dB
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BLCYes
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HLCYes
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EISYes
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PTZ
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Movement Range (Pan)360° endless
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Pan SpeedPan manual speed: 0.1° to 100°/s,Pan preset speed: 100°/s
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Movement Range (Tilt)-5° to 90° (auto flip)
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Tilt SpeedTilt manual speed: 0.1° to 80°/s,Tilt preset speed: 80°/s
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Proportional ZoomRotation speed can be adjusted automatically according to zoom multiples
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Presets256
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Patrol Scan10 patrols, up to 32 presets per patrol
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Pattern Scan5 patterns, with the total recording time no less than 10 minutes
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Power-Off MemoryYes
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