... ,100% glass 2.Varifocal 2.8-12mm,1/2 inch,C-mount,F1.6 aperture 3.High resolution 2 megapixel lens High resolution varifocal 2.8-12mm 2 megapixel c ... :1.New designed high resolution varifocal 2.8-12mm 2 megapixel c-mount lens 2.Focal length 2.8-12mm,1/2 inch,C-mount,F1.6 aperture manual ... -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 ...