Jak vybrat objektiv bezpečnostní monitorovací kamery

As one of the important equipment for social security guarantee, security surveillance cameras can be seen almost everywhere in our lives, especially in some large public places such as schools, shopping malls, playgrounds, etc., and it is indispensable for its existence.

The main function of security monitoring cameras is monitoring, and sometimes it is also a provider of important clues.

How to choose the lens of security monitoring camera

A good security monitoring camera requires not only choosing a good installation location, but also a good lens. After all, the lens that chooses a security monitoring camera is one of the important factors that ensure the effective operation of the monitoring system and obtain a clear image.

So, how to correctly choose the lens of the security monitoring camera? The focus is still the key indicator of the lens to choose:

1.Choose the right lens type

First, you need to choose the appropriate lens type according to the needs of the monitoring scene, such as fixed focus lens, zoom lens or fish eye lens. Different lens types are suitable for different monitoring needs. For example, some monitoring is to capture long -distance details, and some are for panoramic monitoring.

The CCTV lens is used for security monitoring

2.Choose the right focus type

The camera lens that selects auto -focus or manual focus depends on monitoring needs and different usage scenarios. The autofocus lens can intelligently adjust the focus according to the scene, and the manual focus lens needs to adjust the focus manual.

3.Choose the right focal length

The focal length determines the field of vision of the camera lens. It is necessary to choose the appropriate focal length according to the monitoring scene. For example, the short focusing provides a wider field of vision, suitable for monitoring large -area places, and the telephoto distance can capture the more details of the distance.

4.Choose the right resolution

To ensure that the selected lens can support the resolution requirements of the camera to obtain a clear monitoring image. Choosing a high -resolution lens can improve image quality and detail capture capabilities.

Select the right lens according to the camera resolution

5.Choose the right aperture size and type

The size of the aperture affects the light of the lens. Large aperture can adapt to the dark environment; small aperture can adapt to the bright environment. The size of the aperture can also control the depth of the scene, which affects the sharpness and blur of the image.

Select automatic aperture or manual aperture lens according to the light changes in the monitoring location. In some places, light changes may be more frequent, and the lens of automatic aperture is better; areas with stable light, such as the indoor environment, you can choose a manual aperture lens.

6.Adapt to environmental requirements

You need to choose the shots of durable, dustproof, waterproof, and earthquake resistance according to the environmental characteristics of the monitoring venue to ensure that the lens can run stably in various harsh environments.

In addition, the budget and lens of the purchase of the lens may also be a factors that need to be considered. After all, choosing a security monitoring camera lens with brand and quality guarantee can also get better after -sales support, which can make you worry a lot.