Product picture - Tamron 12VA1040ASIR 1 2" 10-40mm F 1.4 Infrared Auto Iris Video Lens, C-Mount, Vari-Focal, Focus Lock Tamron, 12VA1040ASIR, 1, 2, 10-40mm, F, 1.4, Infrared, Auto, Iris, Video, Lens, C-Mount, Vari-Focal, Focus, Lock Click the image to close this page