... aperture lens3.Popular focal length 6.0mm cctv lens 4.Material: Plastic in mechanical part and Glass in optical ... fixed focus fixed iris lens F1.6 (CS mount) series: (4mmm,6mm,8mm,12mm,16mm)ABF 1/2'' HD ... megapixel lens (F1.2) series: (4mm,6mm,8mm,12mm,16mm)ABF IR mega lens( ... ,6mm,8mm,12mm,16mm)ABF IR mega lens(F1.4) series: (4mm,6mm,8mm,12mm,16mm)Certificate: Hottest fixed iris ...