HD fisheye CCTV lens designed for 180 degree coverage and resolution surveillance. Ideal for singlelens, widearea monitoring where minimizing blind spots and reducing camera count are priorities. Key benefits Full 180 degree field of view for maximum area coverage, reducing the number of cameras needed for wide spaces. 5MP optical performance supports resolution image capture for clearer detail across the scene. Ultrawide 1.8mm focal length delivers a true fisheye perspective for ceiling or wallmounted installations. Bright F2.0 aperture improves image capture in lower light without overstating performance. Compact M12x0.5 mount simplifies installation on standard CCTV modules and board cameras. Designed for 1/2.5 sensor format to ensure correct image projection and sensor coverage. Main features and specifications Lens type: Fisheye CCTV lens Resolution support: 5 megapixel Focal length: 1.8mm Mount: M12x0.5 Sensor compatibility: 1/2.5 Aperture: F2.0 Field of view: 180 degrees Intended use: Video surveillance camera lens Practical applications Retail and store interiors: Mount on a ceiling to monitor an entire sales floor with a single camera, helping detect suspicious activity and track customer flow. Small to medium public spaces: Cover lobbies, waiting areas, or meeting rooms where a full 180 degree view reduces blind spots and simplifies camera placement. Warehouses and loading docks: Overhead installation provides broad situational awareness for inventory areas and entry points. Installation and compatibility notes Fits cameras and modules with an M12x0.5 lens mount and designed for 1/2.5 sensor format. Verify sensor size and mount threading before installation. Compact form factor is suitable for recessed and surfacemount housings used in CCTV systems. For results, pair with a camera that supports 5MP resolution and configure dewarping or viewing software as needed to correct fisheye distortion when monitoring or recording. This lens offers a practical, simple solution to expand field of view and reduce blind spots in surveillance setups without altering existing M12 mount camera modules.