CS mount 3MP 8mm surveillance lens with manual aperture and fixed focus. Designed for straightforward installation in CCTV and DIY camera assemblies, this lens delivers clear imaging up to 3 megapixels while giving basic exposure control through a manual aperture ring and a fixed focus preset for fast setup. Key benefits Clear imaging for surveillance needs: Designed for sensors up to 3MP to produce sharper detail than lower resolution lenses. Quick, lowmaintenance installation: Fixed focus removes the need for repeated focusing adjustments, saving time during installation and replacement. Better control in varied lighting: Manual aperture lets you adjust exposure to reduce glare and control depth of field in different lighting conditions. Standard CS mount compatibility: Fits CS mount security cameras and camera modules commonly used in CCTV systems and DIY builds. Important attributes Mount type: CS mount for direct fit on compatible surveillance camera bodies. Resolution support: Rated for use with 3MP sensors. Focal length: 8mm focal length for a medium to narrow field of view suited to longer range monitoring tasks. Focus type: Fixed focus preset for consistent performance and simplified setup. Aperture: Manual aperture control for exposure adjustment in changing light environments. Form factor: Compact design suitable for camera housings and tight installations. Practical use scenarios Perimeter or driveway monitoring: Use the 8mm focal length to cover longer distances with clearer subject detail for identifying vehicles or persons approaching a property. Small business entry or checkout area: Manual aperture control helps manage indoor lighting and reduce reflections from windows or displays. Camera repairs and custom projects: Ideal for replacing a damaged lens on a CS mount camera or integrating into DIY surveillance and robotics projects where a reliable fixed focus lens is preferred. Why choose this lens Simple compatibility with standard CS mount cameras makes it easy to upgrade or surveillance optics. Manual aperture and fixed focus balance flexibility and ease of use, letting installers tailor exposure while avoiding repeated focus adjustments. Compact and practical for both professional installations and home or hobbyist camera projects. Compatibility note Intended for cameras and modules with a CS mount. Adapters may be needed for other mount types.