ir lens 1.All-metal,100% glass lens 2.Varifocal 4-9mm,1/2.7 inch,M12*0. ... 5 mount,F1.4 aperture 3.IR megapixel lens 2012 new designed varifocal 4-9mm manual iris ... ,3.5-8mm,6-60mm,5-50mm,4-9mm,9-22mm) ABF varifocal auto iris lens serie: (6-15mm,2.8-12mm ... ,3.5-8mm,6-60mm,5-50mm,5-100mm)Certificate: 2012 new designed varifocal 4-9mm manual iris megapixel ir lens