| Product: | SIRUI Nano Multi-layer Coating CPL Filter | 
| Functions: | Reduce light contrast on images, eliminate or weaken reflections in images. | 
| Material: |  German Schott Optical Glass B270 with Aircraft Grade Aluminum Ring German Schott Optical Glass B270 with Premium Quality Brass Ring  | 
                    
| Specs: | 58mm | 62mm | 67mm | 72mm | 77mm | 82mm | 
| Model:  (Aluminum)  | 
                        CPL58A | CPL62A | CPL67A | CPL72A CPL77A | CPL82A  | 
                    
| Model:  (Brass)  | 
                        CPL58B | CPL62B | CPL67B | CPL72B CPL77B | CPL82B  |