4mm 1/3" F1.2 CS-Mount Fixed Iris Monofocal IR Corrected CCTV Lens

• Focal Length: 4mm
• Aperture: 1.2
• Mount: CS-Mount
• Format Cover: 1/3"

IR Corrected Lens are particularly of benefit in day/night cameras,which "see" both visible and IR light. IR corrected lenses allow a camera's imager to take in visible and IR illumination in low-light "night" conditions (when the IR cut filter is not deployed), while eliminating the problem of IR focus shift.

IR Corrected Lens

Regular Lens