Double Concave LensesOuter diameter: φ 6.585~ φ 6.595 Thickness: 1.42~1.46mm Core deflection: ≤ 120 "Send InquiryLive chatProduct DetailDouble Concave LensesShare:PREVIOUS:Lacquering LensesNEXT:Double Concave LensesRelated ProductsInfrared Chalcogenide Aspheric LensesDouble Convex Aspheric LensesLacquering LensesFixed Focal Length Lenses-f 4.0mmFixed Focal Length Lenses-f 4.0mmHydrophilic BBAR Coating