Product picture - Marshall Electronics V-4504ML 4mm f 2.5 Fixed Iris C-Mount Industrial Lens for 1 3-Inch Auto-Shutter Cameras Marshall, Electronics, V-4504ML, 4mm, f, 2.5, Fixed, Iris, C-Mount, Industrial, Lens, 1, 3-Inch, Auto-Shutter, Cameras Click the image to close this page