... .MOQ:1 piece Fixed focus 2.1mm M12*0.5 cctv board lens fisheye lens 1.Our products have passed OHSAS18001:1999,GB/T24001 ... MTV lens/fisheye lens/mini lens serie:(2.1mm,2.5mm,2.8mm,3.6mm,6mm,8mm,12mm,16mm) ABF fixed board lens (M12*0.5 ... ) serie:(4mm,6mm,8mm,12mm,16mm) Certificate: Fixed focus 2.1mm M12*0.5 cctv board lens fisheye lens