... varifocal manual iris lens serie: (6-15mm,2.8-12mm,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 cctv lens ...