Broad Band AR (BBAR) CoatingOuter diameter: φ 16.988- φ 16.998 Thickness: 3.61-3.65mm Core deflection:<90“ Send InquiryLive chatProduct DetailBroad Band AR (BBAR) CoatingShare:PREVIOUS:Single Layer AR CoatingNEXT:Ultra-hard Water-proof BBAR CoatingRelated ProductsDoublet LensesConacave-convex Aspheric LensesUltraviolet and Infrared Cut-off Filters CoatingPlastic Optical Holders H036Plastic Optical Holders H001Fixed Focal Length Lenses-f 2.65mm