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 ProductsDoublet LensesPlastic Optical BarrelsLacquering LensesSingle Layer AR CoatingFixed Focal Length Lenses-f 4.0mmInfrared Chalcogenide Aspheric Lenses