The Fujifilm Fujinon DV4X12.5SR4A-1 1/1.8" & 1/2" 12.5-50mm C-Mount 5 megapixel Vari-Focal Lens is a high image quality monitoring lens with optical performance supporting 3 MP resolution. The advanced design engineering and special optic glass adopted is best suited for color, Black & White and Day and Night cameras. The f12.5-50mm, 4x zooming supports various applications. It is designed to maximize optical performance with high-accuracy aspheric lens, low-dispersion glass and high refractive-index glass. It has a built-in ND filter of T360 to allow support for high-sensitivity cameras.