3MP 4mm CSmount CCTV Lens Overview This 3MP lens delivers resolution imaging for 1/2.5 inch and 1/2.7 inch CCTV cameras. Available in four focal lengths 2.1mm, 2.5mm, 2.8mm, and 4mm, the lens offers installation flexibility and reliable optical performance with a standard CS mount for straightforward integration. Key benefits Clear image detail: 3MP resolution provides sharp video and stills for monitoring and evidence capture. Flexible field of view: Choose from 2.1mm, 2.5mm, 2.8mm, or 4mm focal lengths to match surveillance needs from wide area coverage to more focused views. Broad compatibility: Designed for use with 1/2.5 inch and 1/2.7 inch CCTV camera sensors to ensure proper coverage and image scale. Easy installation: Standard CS mount fitting simplifies attachment to compatible cameras, reducing setup time and installation complexity. Consistent performance: Engineered to meet common CCTV requirements without requiring camera modifications. Specifications Resolution: 3MP Mount type: CS mount Focal length options: 2.1mm, 2.5mm, 2.8mm, 4mm Sensor compatibility: 1/2.5 inch and 1/2.7 inch CCTV cameras Practical applications Retail monitoring: Wide or medium focal lengths allow shelving and checkout area coverage to improve situational awareness. Parking areas and perimeter surveillance: Longer focal options provide narrower fields of view suitable for monitoring entry lanes, driveways, and lot aisles. Office and lobby security: Balanced focal choices enable clear identification of faces and movement in reception and corridor environments. Why choose this lens This lens is a straightforward, specificationdriven choice when you need 3MP imaging with multiple focal length options and reliable CS mount compatibility. It is suited for integrators and installers who require quick camera pairing with 1/2.5 inch and 1/2.7 inch CCTV sensors and predictable optical behavior across common surveillance scenarios.