The A-LTV2Z3314GCS is a 1/3", CS-mount, 3.3-8mm vari-focal, dc-drive auto-iris lens. The horizontal Field of View (link to lens calculator) with a 1/3" CCD camera ranges from 72° (3.3mm) up to 33° (8mm). The lens is pre-wired with a standard 4-pin auto-iris cable and connector.