Focal Length f=2.4~6.0mm Aperture Ratio 1 : 1.2~360 DC Auto Iris, Megapixel Lens 1/3" Format Camera, CS Mount Mega pixel Lens (Board Mount) Focal Length Image Format Aspherical Lens Day&Night Lens f=3.0~9.0mm 1/3" SCVMD309ASIR SCVMD309ASDN f=2.8~10.0mm 1/3" SCVMD2810ASIR SCVMD2810ASDN Mega pixel Lens (CS Mount) Focal Length Image Format Aspherical Lens Manual Iris f=2.4~6.0mm 1/3" SCVM246AS DC SCVM246AS M