Product: SIRUI Nano Multi-layer Coating UV Filter

Functions: Protects the lens and weakens the blue cast caused by the UV Rays to enhance the quality of the image.

Material: German Schott Plate Glass B270 with AircraftGrade Aluminum Ring American Corning Glass with Premium Quality Brass Ring

Model (Aluminum): UV37A | UV39A | UV40.5A | UV46A | UV49A | UV52A | UV55A | UV58A | UV62A | UV67A | UV72A | UV77A | UV82A | UV86A | UV95A | UV105A

Model (Brass): UV40.5B | UV49B | UV52B | UV58B | UV62B | UV67B | UV72B | UV77B | UV82B