4 Ways To Improve Security Camera Lenses

Security And Surveillance Camera Lenses

As with regular surveillance camera, the lens on a surveillance camera determines how wide an image is created and how much light is let in. The lenses you purchase should match the format of your surveillance camera:

• 1/4" lenses work best with 1/4" cameras. It is possible to use a larger format lens than the surveillance security camera calls for, but it is not recommended.

• Also, fixed focal length lenses offer only one set field of view and are the least costly. To change the resulting image, you need to switch lenses. Variable focal length camera lenses and zoom lenses offer greater flexibility, allowing you to adjust your image's field of view. Motorized zoom lenses, the most costly type available, give you the ability to control your cameras remotely.

• If you want to zoom out for general surveillance and in for detail when you spot suspicious activity, motorized camera focus is preferable.If you will be using the surveillance camera outdoors, look for a lens with an automated iris. As in the human eye, the iris of a lens is what controls the amount of light coming in to the surveillance camera.

• Automated irises can significantly improve performance for outdoor cameras, where light levels vary considerably. However, you can save money and use a manual iris lens when the scene illumination never changes, for example in an illuminated store or office. But we do not recommend it.

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