What is the difference between CCTV camera normal lens and infrared lens?
First, they are used for different application:
In a monitoring environment that does not require infrared light supplements, an ordinary lens can be used; in a monitoring environment with infrared light supplements, if you want to have a better monitoring effect, you must use an infrared lens. You can also see the picture below, but the picture will become blurry. I believe everyone has a deep understanding of this.
Second, their prices are different:
The price of professional infrared lenses is several times that of ordinary lenses, why? Because the use of infrared lenses is clear during the day and at night, the effect is naturally expensive.