Selection Criteria for CCTV

Choosing the right CCTV camera is part of a strategic choice to ensure optimal video surveillance system.

Selection Criteria for CCTV 1

The selection criteria

Most important in choosing your CCTV camera is whether it will match our needs. Is this camera it allows me to recognize someone over 20 meters? Is this camera sees at night and in the distance I want? These questions are important questions that everyone should ask before buying a CCTV camera. These questions define selection criteria.

There are four criteria that make up a camera and define its image quality: the image resolution, CCD sensor and chipset, brightness and lens. Like CCTV, CCD is another acronym.

Selection Criteria for CCTV 2

Image Resolution

The image resolution of an analog camera is measured in number of lines that compose it. Thus, the more the number of rows is, the better the image quality. For example a camera that has 420 lines in a standard resolution, a camera that has 600 lines is already a camera that has a high resolution. The more lines, the higher the resolution of the camera is excellent and gives you a very good picture quality.

The image resolution of an IP camera is most often expressed by solving affichage.La standard resolution is measured in pixels, an IP camera that has high resolution is expressed in megapixels. Finally an IP camera to high resolution is expressed in megapixels HD.

Selection Criteria for CCTV 3

The CCD sensor and chipset

CCD is called, the electrical component that captures the light signal. The chipset is meanwhile also an electrical component, which in turn, can translate the optical signal into an image. The combination of the CCD sensor and chipset allows you to get video. CCD sensors and chipsets that we offer have known branded products manufactured by SONY.
The addition of the CCD sensor and chipset determines the image resolution as well as its grain so obviously its quality.

The brightness (Lux)

Brightness is measured in lux, 0 lux corresponds to total darkness and 50,000 lux for example corresponds to maximum brightness. It is therefore important to think about evaluating the brightness of the area to film when choosing your camera to ensure optimal image quality.

If you want to shoot at night we offer infrared cameras that have an intuitive system enabling them to automatically switch to night mode when the light is insufficient. You should know that the night mode is a mode that shoots in black and white. Infrared cameras allow you to see at a distance, so you have to think about the distance at which you want to shoot and choose your camera depending on the distance vision at night.

Selection Criteria for CCTV 4

Objectives

The objectives of déteminer allow the viewing angle of your cameras. The lenses are available in several sizes. Over the lens size is large most of the viewing angle is narrow and you will have the ability to shoot close remote areas. Moreover the zoom is very good.

The choice of lens is necessary and important, because the goal is called the camera’s eye. Either you need to choose a target for example if you take a camera or housing is the goal will be integrated with your camera, it will depend of course on the type of camera you want.
Many of our cameras have varifocal lens that allows you to vary the angle to best fit the area to film. For more information you can consult our guide targets for surveillance camera.

Gallery

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