Arecont Vision MPM4.0A 4mm, 1/2.5" F1.6 M12-Mount, Fixed Iris, IR Corrected Lens

The Arecont Vision MPM4.0A is a compact fixed focal megapixel lens designed for compatible surveillance cameras, including MicroDome, MegaVideo Flex, and SurroundVideo Omni series systems. It features a 4mm focal length, 1/2.5 inch optical format, F1.6 maximum aperture, fixed iris, and M12 mount. The IR corrected optical design helps maintain image clarity when infrared illumination is used, making the lens suitable for day and night surveillance applications. Its compact construction measures approximately 14 mm in diameter by 16.4 mm in length and weighs about 5 g. The lens provides a useful balance between wide scene coverage and image detail for security monitoring.