Double Convex LensesOuter diameter: φ 20.37~ φ 20.40 Thickness: 5.56-5.66mm Send InquiryLive chatProduct DetailDouble Convex LensesShare:PREVIOUS:Double Concave LensesNEXT:Double Convex LensesRelated ProductsHigh Reflection Mirror CoatingConacave-convex Aspheric LensesUltraviolet and Infrared Cut-off FiltersDouble Convex Aspheric LensesConacave-convex Aspheric LensesOptical Flat Glass Filters