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 ProductsConacave-convex LensesDouble Concave Aspheric LensesEFL:3.6mm F#:1.0 (GJ-1B)EFL:2.05mm F#:2.2EFL:2.29mm F#:2.6Infrared Chalcogenide Aspheric Lenses