The majority of the home security cameras at present are intended for achieving almost the same purpose. Besides helping you to detect events and record them, they also send you notifications. However, all these devices are not manufactured in the same way.
While picking a home security camera, you need to consider several essential factors to ensure that your selection proves to be a sensible one. In the subsequent paragraphs, we will mention some essential guidelines on how to buy security cameras for home use.
This component within the camera helps to gather light for its sensor. The viewer sees everything and can also record everything on the DVR through this lens. It helps to figure out the distance at which a particular object can be properly identified given that it helps to control the focus.
Often, it will be prudent to go for a better quality lens than that with a higher output resolution since the output is always limited by input which in turn is determined by the lens.
Purchasing a camera having a zoom lens will also be a smart decision, and several sensitive cameras include digital zoom these days while the others come with an optical zoom which is controlled by the lens.
3. Output Resolution
Next, in this guide on how to buy security cameras, we will talk about the output resolution of the surveillance cameras.
In most home security cameras the number of horizontal lines produced by it or its TVL can vary up to 700TVL while the other cameras can be from 380TVL to 540TVL. Although many professionals recommend 420TVL to be the minimum that one should go for, it is not always true.
Even though it is desirable to go for a camera with a high resolution, one must not forget that output is controlled by input and therefore, in case the sensor and the lens are not able to match the output resolution, the surplus resolution is going to be wasted in the long run.
Consequently, it will be prudent to select a camera with sufficient resolution so that it is able to display an image clearly, and not exceed that limit.
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