... 2.Varifocal 4-9mm,1/2.7 inch,M12*0.5 mount,F1.4 aperture 3.IR megapixel lens 2012 new ... 4.0-9.0mm,1/2.7 inch,M12*0.5 mount,F1.4 aperture manual iris lens3.Popular focal length ... 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 ...