security camera, home security camera and cctv cameras plus access control
 
 

Security Cameras

security camera, home security camera and cctv cameras plus access contro
 
 
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security camera, home security camera and cctv cameras plus access control
 
 

Security Cameras

A security cameras can come in many different styles including dome, bullet, infrared and c-mount.  The security cameras that will work best for your application will depend on several factors such as whether you will use the security camera inside or out, during the day, nighttime, or both.

Bullet style
security cameras are the most popular. They can be used inside or out. These security cameras come in black and white or color and come with all of the required mounting hardware. The security cameras casings are weather resistant and do not require added external protection. Most security cameras have a fixed 4mm lens that allows you to see facial features out to about 35 feet and provides a 70 degree angle of view. This is the widest angle you can have without distorting the picture.
 
security cameras

Resolution levels for black and white
security cameras are about 400 lines, any higher and the benefits are minimal. For color cameras, the higher the resolution the better.

Infrared
security cameras are also very popular as they allow an image to be seen in little or no lighting conditions. Most infrared security cameras are bullet style and can be used inside or out. The cameras have infrared lighting installed around the outer edge of the lens, which allows the security camera to see in no light for up to 25 feet - even further with a little bit of light (like street lighting or an outside light.)

A relatively new type of
security camera to the market is the day / night security cameras. These types of security cameras have an extra sensitive imaging chip which allows it to capture a good picture in low light situations without using infrared leds. This is especially handy in outdoor applications because infrared security cameras do not do well in outdoor housings. Unless the infrared security camera is installed flush up to the glass of the housing, the infrared lights can reflect off of the glass of the housing which degrades the image.

The advantage to c-mount
security cameras is that the lens can be changed. You'll want a special camera lens if you need to see further than 35 ft. The color c-mount security camera allows you to change lenses on the camera giving you the ability to zoom into a particular area. Varifocal camera lenses allow you to adjust the focus from 5 to 50 mm. These lenses can be used inside only unless you put it in special housing for outdoor use. Security Cameras

Dome
security cameras provide a different look. Also, if you have any concerns about tampering, It will withstand a 10 lb sledgehammer blow and can be used inside or out, daytime or nighttime. security cameras


 
security camera, home security camera and cctv cameras plus access control
security camera, home security camera and cctv cameras plus access control
security camera, home security camera and cctv cameras plus access control
 
 
 
 
Designed specifically for a relentless 24/7 digital world, a new category of Camera is introduced.
 
When most security Cameras sold today are "plug and play" for the optimum conditions of a daytime scene, customers are usually left with a poor or useless picture at night.
 
A demanding 24/7 world would regard that as half a solution. In the world of Extreme, This Camera will get you a total solution.
 
 

 

   

What is the viewable area for a camera approximately?

The viewable area is determined by the Cameras lens size (see lens chart below). Covert Cameras incorporate a 3.6mm lens.

Lens Size Field of View Recognizable Distance (Approximately) Best Picture Distance (Approximately) Viewable Area @ Given Distance (Approximately)
3.6mm 92 degree F.O.V. 10 - 15 feet 5 feet 14 (W) x 10 (H) @ 10 feet
6.0mm 57 degree F.O.V. 20 - 25 feet 7 feet 16 (W) x 12 (H) @ 20 feet
8.0mm 38 degree F.O.V. 25 - 30 feet 10 feet 18 (W) x 14 (H) @ 30 feet
12mm 26 degree F.O.V. 35 - 40 feet 12 feet 16 (W) x 12 (H) @ 40 feet
16mm 15 degree F.O.V. 50 - 60 feet 18 feet 15 (W) x 12 (H) @ 50 feet
Based on a 1/3 CCD Camera

 

 
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