Six technical evaluations of surveillance camera testing
When evaluating the performance of a surveillance camera, there are six main technical indicators to consider to ensure quality: Resolution Test: We recommend using the same model lens (preferably fixed or variable focus lens) and test the resolution using a standard test card. This involves measuring the vertical and horizontal resolution, usually expressed in lines. Test a...
The evolution of surveillance cameras
As an important tool for security and surveillance, surveillance cameras have undergone many important developments throughout history. Let's take a closer look at their history. The early appearance of surveillance cameras dates back to 1874, when renowned French astronomer Jules Janssen invented the first camera. Although this early camera did not have the capabilities of ...
