F=16mm 1/1.8" F2.5 F5.6 F8.0 3MP 16mm M12 M12X0.5 Mount Macro CCTV Board Mac Lens for 10cm Mod Distance, Find Details and Price about M12*0.5 Smount Lenses and Focal Length F16mm F8 Lens from Hangzhou Ai Ke Electronics Co., Ltd.