2013年3月4日星期一

CCTV Camera Purchase Tips

BORSCHE CCTV Camera can be divided into :
a.Fixed lens weatherproof IR bullet camera
b.Varifocal Weatherproof IR bullet camera
c.Fixed lens Durable Plastic Dome camera
d.Fixed lens Vadalproof Dome camera
e.Varifocal Dome camera
f.Box & Spy camera

Once you want to purchase CCTV camera, below information you need concern about:
1.Where do you install this CCTV camera?
Camera can be installed indoor or outdoor, IR bullet camera is for outdoor usage; Dome camera is for Indoor usage.

2.How far do you want to monitor?
The IR distance is: 15m~120m, the distance is based on the Lens& IR led.

3.Lens (Fixed lens or Varifocal lens)
Fixed lens like: 2.8/3.6/6/8/12/16/25 mm lens
Varifocal lens like: 4-9mm; 2.8-12mm; 9-25mm lens etc.
The price of Varifocal is higher than fixed lens, as we know, the fixed lens always with wide angle but short distance; the varifocal lens always with little narrow angel but far distance.

It depends on your CCTV camera install location.
For example: To install in the home/ office, the fixed lens Dome camera is enough.

To install outside ,like eave or corner. Choose the varifocal lens IR bullet CCTV camera, you can get a different view.
4.IR led (need or not)
If you want to view video in the night, then IR led need.

5.The solution(Sony & Sharp & CMOS)
Different sensor will get a different video color.

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