The HIK-TV2713-6MPIR is a high-performance and versatile lens that can be used with various cameras and sensors. It has a vari-focal auto iris that can adjust the focal length from 2.7mm to 13mm and the aperture from F1.4 to C. This allows for optimal image quality and clarity in different lighting and distance conditions. The lens also supports 6MP resolution and IR correction, which means it can capture sharp and detailed images even in low-light or infrared scenarios. It has a CS-mount and a standard flange back length of 12.5mm, making it compatible with most cameras and housings.