CCTV TV lines

Resolution can be defined as the fineness of detail that can be distinguished in an image. In CCTV cameras, resolution is measured in TV Lines (TVL). A higher number of TV Lines means that a camera will be able to render images with more detail. However, TV Lines is not the sole factor that determines the quality of the final output. For example, the resolution does not affect the color reproduction of the camera. The monitoring device and the video processing of the DVR also impact the final output. Below is a comparison of different TV Lines resolutions.

What are cctv TV line(TVL)?

TV Line(TVL), is used in an analog camera and one of the features in analog camera’s or monitor’s horizontal resolution power. It is alternatively known as Lines of Horizontal Resolution (LoHR), aka lines of resolution.

TV Lines is one of the most important resolution measures in a video system. To put in a simple explanation, the more TV Lines are there (depending on the size of the lens) the better the picture quality.

For the analog cameras, for normal commercialized home and office use. Currently 1200TVL is the maximum TV Lines you can find on the market. Anything above that is only used for special purposes. 


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The average home owner or prospective user definitely lacks the technical expertise needed to properly identify and choose the CCTV cable that is most suitable for his needs. Consequently, the intervention of a consulting firm that is capable of guiding the prospective clients in making the right decision is therefore by all means necessary. 

CCTV home is an example of such a company. It basically tests, evaluates and guides consumers in purchasing the right surveillance equipment. To get started, you can visit our website CCTV home or Contact Us is all that is necessary.  A member of its customer care department is always on standby and very eager to receive any incoming inquiries and act on them soonest possible.

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