| 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  |