Product picture - Tamron 13FG04IRSQ 1 3" 4mm F 1.2 CS-Mount Infrared Lens with Auto Iris DC, Focus Ring Lock Tamron, 13FG04IRSQ, 1, 3, 4mm, F, 1.2, CS-Mount, Infrared, Lens, with, Auto, Iris, DC, Focus, Ring, Lock Click the image to close this page