The VDC-251/261 Day/Night camera is a compact, stylish surveillance dome that offers excellent resolution in variable lighting conditions. The high performance 1/3‑inch CCD camera is available with a 3.6 mm fixed lens or a 2.8 to 12 mm varifocal lens. The camera is an ideal solution for demanding scene conditions. The Day/Night feature ensures the highest image quality possible at any time. Depending on the available light, the camera automatically switches from color to monochrome. The camera is easy to install and can be adjusted around 3 axes. Privacy zones and motion detection functions can be set up in the handy camera menu system.
| System |
PAL or NTSC |
| Effective pixels (H x V) |
752 x 582 (PAL) 768 x 494 (NTSC) |
| Image Sensor |
1/3-inch High sensitivity CCD |
| Video Output |
Composite: 1 Vpp, 75 Ohm |
| Sync. System |
Internal sync., Line-lock |
| S/N Ratio(sharpness, AGC off) |
50 dB min. |
| Horizontal resolution |
700 TVL |
| Lens type (VDC-251) |
Fixed f=3.6 mm |
| Lens type (VDC-261) |
Varifocal f=2.8 to 12 mm |
| Minimum Illumination Varifocal lens (F1.4, 30IRE, AGC max.) |
0.05 lx (color) 0.005 lx (ICR, B/W) |
| Minimum Illumination Fixed lens(F2.0, 30IRE, AGC max.) |
0.15 lx (color) 0.05 lx (ICR, B/W) |
| ESC |
1/50 – 1/120,000 (PAL) 1/60 – 1/120,000 (NTSC) |
| Manual Shutter |
1/50(60), 1/100(120), 1/250, 1/500, 1/700, 1/1k, 1/1.6K, 1/2.5K, 1/5K, 1/7K, 1/10K,1/30K, 1/60K, 1/120K |
| DNR |
Off, Low, Middle, High |
| White Balance |
ATW, Manual, Push |
| SBLC |
Off, Low, Middle, High |
| AGC |
On, Off |
| Day/Night |
Auto, Color, B/W, Ext. |
| Burst |
On, Off |
| Motion detection |
On, Off (4 programmable zones) |
| Privacy |
On, Off (4 programmable zones) |
| Mirror |
On (horizontal), Off |
| Sharpness |
1 ‑ 20 |
| Gamma |
0.35, 0.45, 0.6, 0.75 |
| OSD language |
English, Chinese |
| Lens type |
DC iris / manual lens |
| Supply Voltage |
24 VAC (±10%) 12 VDC (±10%) |
| Power Consumption |
3.6 W max. / 0.3 A |
| Operating Temperature |
-10 °C to +50 °C (14 ºF to +122 ºF) |
| Operating Humidity |
30% to 80% RH |
| Storage Temperature |
-20 °C to +60 °C (-4 ºF to +140 ºF) |
| Storage Humidity |
20% to 90% RH |
