Video Surveillance Security Camera Systems FAQ
Cameras and Cable Questions
What Focal Length will I need?
- Guide: smaller the focal length number => wider is field of view.
- If you have securit camera in the office or warehouse and you want to see as much as you can, you should go for 2.8 or 4 mm lens (makes wide, somewhat distant view)
- If you want to observe limited area, like entrance you should go for 8mm or (makes narrow view and objects are closer).
- Give us a call and we can help you determine what security camera lens will best suit your location.
- Use varifocal lenses to get flexibility for choosing best field of view.
|
|