This document summarizes the specifications of the AA-2812-DIV auto iris varifocal lens. The lens has a focal length range of 2.8-12mm, a maximum aperture rate of F1.4, and is designed for 1/3" image formats. Additional features include anti-pollution optical glass, stable performance, compact body, and direct iris control with a voltage range of DC6-12V. The lens has dimensions of 45.6*47*71.6mm and a weight of 108.5g.