C or CS Style security cameras can use many types of lenses. This lens has motorized variable-zoom, auto-focus and auto-iris. It is great at delivering a good picture under changing lighting conditions.
This lens can go from a full wide shot to extreme-closeup. It will need to be connected to a compatible controller to operate the zoom functions.
It has a range from 6mm~60mm depending on if you need a wide angle or close up shot. The lower the first number, the wider the image will appear. The higher the second number, the closer the image will appear.