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CCTV camera, CCTV surveillance cameras, wireless camera, CCTV camera Distributor
Although the application of CCTV security have not changed much in recent years, tools and equipment significantly. Cameras became smaller, cheaper and better, but the breakthrough came a control device.
Therefore many customers shopping for complete CCTV monitoring and recording systems are confused by this truth of products available. Objective of this article is to guide buyers toward best possible and most economical type of CCTV equipment, based on the intended application and requirements.
Selecting the right cameras.It is practically impossible to describe all types available in this short article. We will focus our attention the most popular and widely used camera types instead.
CCTV produce images with CMOS or CCD (charge couple device) tabs. Very small, very low price CCTV cameras usually use CMOS technology, produce images of poor quality and light sensitivity are very poor. Decent quality CCTV cameras use CCD technology. The size of the CCD chip is normally 1 / 4 ", 1 / 3" or 1 / 2 ". As a general rule, the larger size, greater is the image quality produced and the higher the price. However, a higher density of 1 / 4 "and 1 / 3" CCD chips can now produce as good image as many 1 / 3 "or 1 / 2" chips.
The number of TV lines in the image of the security camera is a measure of image resolution (sharpness). The greater the number of TV lines, the better the resolution and therefore image quality in general. Standard resolution camera may have 350 380 lines, more than 400 TV lines is generally considered good resolution while over 500 TV lines is considered high resolution. B / W chip cameras produce greater resolution and better light sensitivity, therefore suitable for use in dark areas where light conditions are the poorest of the time.
On the other hand color cameras offer more realistic and natural. CCTV cameras
Grade professional cameras.
Have box type body with the ability to use different types and size of the lenses. interchangeable lenses enable this camera to monitor objects virtually any distance. Although for indoor use, that can be used for outdoor when combined with weatherproof housing. They are considered the most flexible and widely used by professionals for commercial installations.
Bullet cameras.
Bullet cameras are, as the name suggests they are within Housing in thumbnail.
Most bullet cameras are water resistant and sealed without the ability to use different lenses. great advantage of the camera Bullet is the small size and integrated design, some bullet cameras will even have infrared LED future built. simply LED light in the spectrum infrared (not visible to human eye). This light will illuminate viewing area, making it possible to track in complete darkness. This is the great future, but only works up to a certain distance (usually between 10 and 50 feet, depending on model) Vary simple to install and estheticly designed, bullet cameras are the choice ideal for residential installations and DIY, where monitoring objects are within about 25 feet from the camera location (with standard 3.6mm lens).
Council Chambers.
Board Cameras are basically fixed lens mounted on a circuit board. These cameras can be packed in a small box (Mini Cameras) or dome (Mini Dome) or simply sold unpackaged, for mounting by the buyer. These lenses are either normal opening of the industry or a "hole" very small aperture lens. Pinhole lens cameras are often called "spy" cameras and can be mounted in a hidden covert surveillance purposes. The most popular examples of covert board are smoke detectors and motion detector cameras.
Since the lenses of board cameras are pre-assembled, has a fixed iris and are usually of short focal length (ie wide angle), the flexibility of its usefulness is limited. However, this type of camera can provide a low cost solution in the right situation, especially in a family atmosphere. We have recently described the types most Popular cameras now allows disk, how and where to use mites.
Professional types with C / CS mount lens attachment generally offer the best performance and many important futures, like the output of the control lens, Light Compensation and many more …
Distance to object tracking camera is not a problem, that is why the ability to select different lenses, based on location is very important. Installation is somewhat complicated and professionals Installation highly recommended. We recommend this type of security cameras for commercial installations.
Most bullet cameras compared, no offer high resolution and lens selection flexibility, but is likely to be weatherproof, some have built-in infrared light and most of all which are relatively easy to implement. Usually come with 3.6mm lens witch are considered adequate for most standard installations (good for room coverage of small to medium or equivalent).
For larger rooms or longer distances, cameras with lenses of 6 mm or greater can be required. They are the ideal choice for any type of installation do it yourself. "
Board camera on the contrary are widely used in covert camera installations, sometimes called Spy Cameras. Many are basically the board with built-in transmitter. We will not go in cold wireless at the moment, as this would be enough material for completely new article.
Board cameras are sold as single circuit board, for integration into hidden camera devices. They are available in dome housing, as several popular Dome Camera or integrated with detector smoke, motion detector, the output enters and so on. Most also come with 3.6mm lens although some will not allow the lens to be replaced.
Over time, most practical design has been Dome Camera with its esthetic appearance blends into surroundings, especially with folding clasp, ideal for use in stores, lobbies, gas stations and other public places. practical solution for covert installation also, Motion and Smoke Detector cameras, which are absolutely no substitute for your security alarm or fire protection. Should always be selected based on the location of the camera (interior / exterior) monitored distance, light conditions and budget.
When shopping for security cameras, customers are faced with the fact that will select one or another recording device.
On the well-known CCTV time lapse recorder are almost over.
Although some customers still prefer this solution old tape fashion, it is worth investing a little extra money to buy a good quality digital video recorder (DVR). Digital recorder transfers analog camera video stream format, and stores it in the hard disk. There are two main types of digital recorders on the market right now.
About the Author
ADITGROUP : Adit Security system offers CCTV Camera, Wireless Security Camera, CCCTV Surveillance Camera, Security Camera, CCTV Outdoor Camera, Cs Mount Camera, CCTV Camera Distributor. www.aditgroup.com
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