Conacave-convex LensesOuter diameter: φ 25.59~ φ 25.60 Thickness: 1 ± 0.02mmSend InquiryLive chatProduct DetailConacave-convex LensesShare:PREVIOUS:Double Convex LensesNEXT:Optical Spherical Glass FiltersRelated ProductsEFL:6.0mm F#:1.8 (GJ-1Q)High Reflection Mirror CoatingEFL:4.0mm F#:1.66 (GJ-1B)Single Layer AR CoatingEFL:6.8mm F#1.0Double Concave Aspheric Lenses