1.Image Format,1/3" 2.Lens mount,CS 3.Focal Length,6-16mm 4.Aperture ,1.4 SSV0615GNB (6-15mm Vari-focal Auto-Iris CCTV Camera Lens )Image Format1/3"Lens mountCSFocal Length6-16mmAperture 1.4View Angle48.1-18.6OperationZoomManualFocus ManualIrisDCDimensionsΦ32×60 6-15mm Vari-focal Auto-Iris CCTV Camera Lens