The AXIS M12 6mm F1.9 Fixed Lens is a set of 4 surveillance lenses designed for select Axis sensor units. It features a 6 mm focal length, maximum aperture of f/1.9, and an M12 thread for easy installation. The lens also includes a built-in IR cut filter for improved optical clarity and color accuracy, supporting wide field surveillance with approximately 56° horizontal field of view. It is compatible with the Axis F1005-E sensor unit and the Axis FA1105 sensor unit. The package includes 4 lenses and a lens removal tool.