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 ProductsFixed Focal Length Lenses-f 1.1mmPlastic Optical BarrelsConacave-convex Aspheric LensesUltraviolet and Infrared Cut-off Filters CoatingConacave-convex Aspheric LensesFixed Focal Length Lenses-f 2.4mm