4mm Auto iris monofocal lens Aperture:1.2F Mount:CS Comment:DC Model Number TP0412D Focal Length (mm) 4 Aperture (F) 1.2 Mount CS Format (inch) 1/3 Horizontal Field of view 76° Dimension (mm) W32×H43×L40 Weight (g) 60 M.O.D (m) 0.1 Comment DC 4mm F1.2 Auto Iris Monofocal CCTV Lens