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 ProductsDouble Concave LensesDouble Convex LensesFixed Focal Length Lenses-f 3.1mmDoublet LensesLenses For Automotive LensFixed Focal Length Lenses-f 6.0mm