... 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 ... 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 ... board lensSpecification: Model Number ABF-V02812MIR-2MPFocal Length(mm) 2.8-12mmAperture(F)1.6Format(inch)1/2MountCAngle of View98°-30 ...