Optical Spherical Glass FiltersOuter diameter: φ 6.585- φ 6.595 mm Thickness: 1.35-1.41mm Core deflection:<90“Send InquiryLive chatProduct DetailOptical Spherical Glass FiltersShare:PREVIOUS:Optical Flat Glass FiltersNEXT:Optical Spherical Glass FiltersRelated ProductsEFL:2.05mm F#:2.2Double Convex Aspheric LensesDouble Convex Aspheric LensesEFL:2.05mm F#:2.4EFL:6.8mm F#1.0Aspherical Plastic Lens