... 3)aperture:1/1.8; 4)mount:CS; 1)name:IR lens;2)focal length:0.8mm;3)aperture:1/1 ... .8;4)mount:CS;We are the manufacturer of Monofocal fixed iris lens,monofocal manual iris lens,monofocal auto ... 12,16 (mm) etc or as your requirement.The aperture of lens are 1/1.2,1/1.4,1/1 ... 2,0.3,0.1,0.15(m)The mount of lens are CS,M12*0.5The weight to different camera ... then I will make a best PI for you,thanks! IR lens