Varifocal lenses permit users to change the effective focal length (EFL) and the horizontal angle of view. This flexibility allows camera installations in a variety of places that often require lenses of different focal lengths.
Marshall Electronics VS-M550-4 Marshall BAV- 5 to 50mm Varifocal F1.6 CS Mount Lens with Auto-Iris for VS Series and other CS Mount Cameras
Varifocal lenses permit users to change the effective focal length (EFL) and the horizontal angle of view. This flexibility allows camera installations in a variety of places that often require lenses of different focal lengths.
For use with CV-series CS Mount HD Compact Cameras and other CS Mount Cameras with Auto-Iris