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 ProductsPlastic Optical BarrelsPlastic Optical BarrelsFixed Focal Length Lenses-f 3.1mmDouble Concave Aspheric LensesConacave-convex Aspheric LensesConacave-convex Aspheric Lenses