4 mm CS mount CCTV lens for CCD surveillance cameras with IR capability Overview This 4 mm focal length lens fits standard CS mount CCTV cameras and is designed for CCD surveillance systems. It supports IR operation for improved low light and night monitoring. The lens offers a practical balance of field of view and detail for common security applications. Key benefits Simple compatibility: Direct fit for cameras with a CS mount, making installation straightforward. Effective low light performance: IRcapable design works with infrared illumination to preserve image detail after dark. Broad coverage from a short focal length: 4 mm focal length provides a wider field of view for monitoring rooms, entrances, and outdoor areas. Compact form: Small, spacesaving lens housing fits most dome and bullet camera assemblies that accept CS mount optics. Reliable surveillance use: Intended for security camera setups where consistent daytime and nighttime imaging is required. Important specifications Focal length: 4 mm Mount type: CS mount Camera compatibility: CCD CCTV surveillance cameras that accept CS mount lenses Function: Security surveillance with IR support for low light conditions Practical applications Retail and small business: Monitor sales floors and checkout areas with a single widecoverage camera to reduce blind spots. Perimeter and parking area monitoring: Pair with IR illuminators for continuous overnight surveillance of driveways, lots, and building exteriors. Office and warehouse monitoring: Install in halls, loading bays, and storage areas to keep a consistent view of activity during day and night. Notes on use and installation Confirm your camera accepts a CS mount before . Works with external IR illumination and camera IR modes for improved night imaging. Designed for surveillance system integration; suitable for dome and bullet camera housings that accommodate CS lenses. This 4 mm CS mount lens is intended for straightforward integration into CCD CCTV surveillance setups where a wider field of view and IR compatibility are required for around the clock monitoring.