| A security camera's most important part is the | | | | different set of features to suit different |
| security camera lens. The lens is what determines | | | | environments. To keep a camera fully functional |
| how sharp and clear the images on a CCTV | | | | outdoors, it must be able to keep running despite |
| camera can be. It also decides how much or how | | | | shifts in temperature, humidity and light. A shift |
| little the security administrators will be able to | | | | from day to night can cause glass to fog, or |
| view at any given time. | | | | resolutions to drop. For this, there are some |
| There are some lenses that are capable of giving | | | | lenses that adapt to the environment. These |
| a better, clearer look. Some lenses have special | | | | cameras have lenses that keep moisture from |
| zoom functions that give the user a chance to | | | | sticking to the glass. This ensures that it will not |
| zero in on an item or detail being captured at that | | | | be susceptible to a certain threshold of frost and |
| place. A CCTV camera can use a telescopic lens | | | | condensation, which would cause it to lose image |
| to investigate far side of a room or area. It gives | | | | clarity. |
| the clearest image over different distances from | | | | This need not cost a lot of money. Instead of |
| the camera. | | | | buying new expensive cameras for a system, |
| Another aspect of the CCTV security camera | | | | most opt to upgrade the camera lens and attach |
| lens is its use indoors or outdoors. Many cameras | | | | it to a simple CCTV camera. |
| that are to be installed outdoors will demand a | | | | |