نقد و بررسی
دوربین مداربسته تحت شبکه دام سونی SNC-EP521
مشخصات فنی دوربین مداربسته تحت شبکه سونی (IP Camera Sony SNC-EP521)
Image Sensor: 1/4 type EXview HAD CCD
Number of Effective Pixels: Approx. 0.44 Megapixel
Signal System: NTSC color system / PAL color system (switchable)
Sync System: Internal synchronization
Minimum Illumination (50 IRE):
Color: 1.4 lx (F1.6, shutter 1/50 sec, AGC ON, 50 IRE)
B/W: 0.15 lx (F1.6, shutter 1/50 sec, AGC ON, Night Mode, 50 IRE)
Dynamic Range: Theoretically 92 dB by DynaView Technology
S/N Ratio (Gain 0 dB): 50 dB
Gain: Auto/Manual
Shutter Speed: 1/1 s to 1/10000 s
Exposure Control: Full auto, Shutter priority, Iris priority, Manual
lens: Auto-focus zoom lens
Horizontal Viewing Angle: 57.8° to 1.7°
Focal Length: f = 3.4 mm to 122.4 mm
F-Number: F1.6 to F4.5
Minimum Object Distance: 10 mm (wide) to 1500 mm (tele)
Pan/Tilt/Rotation Angle: 340° / 105°
Compression Format: H.264, MPEG-4, JPEG
Processor:
Intel Core2 Duo 1.8 GHz or higher
Intel Pentium4 2.4GHz or higher
Memory: 1 GB
Protocols: IPv4, IPv6, TCP, UDP, ARP, ICMP, IGMP, HTTP, HTTPS, FTP (client/server), SMTP, DHCP, DNS, NTP, RTP/RTCP, RTSP, SNMP