The Hanwha Vision SLA-M2890DN DC Iris lens from Samsung features a 3MP 1/2.8″ CCD sensor to capture high-quality video. The lens has a wide f/1.2 aperture for brighter video and images. This DC lens has an auto iris function driven by a Galvanometer and features a built-in ND filter. The lens is aimed at sharp, crisp images and exposure accuracy under even adverse lighting conditions. The iris auto-close function protects imagers and optical filters from extreme highlights when the power is off.