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 Spherical Glass FiltersNEXT:Optical Spherical Glass FiltersRelated ProductsConacave-convex Aspheric LensesDouble Convex Aspheric LensesPlastic Optical BarrelsFixed Focal Length Lenses-f 3.1mmUltra-hard Water-proof BBAR CoatingPlastic Optical Barrels