9-inch 4 MP 35X DarkFighterX IR Network Speed Dome DS-2DF9C435IH-DLW
>Superb low-light performance via DarkFighterX technology
>35x optical zoom provides close up views over expansive areas
>High quality imaging with 4 MP resolution
>Capturing every point fast, even during critical events
>Intelligent functions based on deep learning
• Lens
• Zoom SpeedApprox. 4.4 s (optical lens, wide-tele)
• Working Distance10 mm to 1500 mm (wide-tele)
• Aperture RangeF1.6 to F4.4
• Focal Length5.9 mm to 206.5 mm, 35× Optical
• Field Of ViewHorizontal field of view: 59.8-2.0° (wide-tele), Vertical field of view: 35.3° to 1.2° (wide-tele), Diagonal field of view: 65.9° to 2.5°(wide-tele)
• Image
• Sub-Stream50Hz: 25fps (704 × 576, 640 × 480, 352 × 288), 60Hz: 30fps (704 × 480, 640 × 480, 352 × 240)
• Main Stream50Hz: 25fps (2688 × 1512, 2560 × 1440, 2048 × 1536,1920 × 1080, 1280 × 960, 1280 × 720); 60Hz: 30fps (2688 × 1512, 2560 × 1440, 2048 × 1536,1920 × 1080, 1280 × 960, 1280 × 720)
• Third Stream50Hz: 25fps (1920 × 1080, 1280 × 960, 1280 × 720, 704 × 576, 640 × 480, 352 × 288), 60Hz: 30fps (1920 × 1080, 1280 × 960, 1280 × 720, 704 × 480, 640 × 480, 352 × 240)
• SVCYes
• Network
• Network StorageBuilt-in memory card slot, support Micro SD/SDHC/SDXC, up to 256 GB; NAS (NFS, SMB/ CIFS), ANR
• ProtocolsIPv4/IPv6, HTTP, HTTPS, 802.1x, Qos, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP/IP, DHCP, PPPoE, UDP, IGMP, ICMP, Bonjour
• APIONVIF (Profile S, Profile G, Profile T), ISAPI, SDK
• Simultaneous Live ViewUp to 20 channels