There are basically three types of digital video cameras: 1) The dome camera; 2) The box camera; and, the bullet security camera. In this article we are going to focus our attention on the bullet security camera.
For the novice, security cameras choices may seem confusing. One question often asked by customers is what is a Vari-Focal Lens? There are two basic types of CCTV lenses. You can either get a fixed lens, or a vari-focal lens. A fixed lens has a set aperture that cannot be changed. They can be used […]