Computar C-Mount 25 to 135mm Varifocal Lens with DC Auto Iris

The computar C-Mount 25 to 135mm Varifocal Lens with DC Auto Iris resolves up to 3MP and features both manual zoom and focus control. The lens mounts to cameras with a C-mount and covers sensors from 1/3 to 1/18". The 25 to 135mm varifocal lens permits you to adjust your magnification and the individual locks on the zoom and focus rings allow you to secure both so you can set you lens and lock it in place. The DC auto iris provides electronic exposure control by varying the mechanical iris from f/1.8 to closed.