<strong>3 Megapixel Day and Night Vari-Focal 1/3", DC Auto Iris</strong> <br />High image-quality monitoring with optical performance supporting 3 megapixels. Advanced design engineering and special optic glass adopted, best suited for color, Black & White, and Day and Night cameras. WIDE 2.2mm, achieving a horizontal field angle of 121 degrees (when used on 1/3 cameras). Designed to maximize optical performance with high-accuracy aspheric lens, low-dispersion glass, and high refractive-index glass. Built-in ND filter of T360, supporting high sensitivity cameras.</p>