A polarising filter for lenses with a 52mm diameter filter thread.BenefitsLow-profile design prevents the filter from darkening (or 'vignetting') the corners of the frameFits lenses with a 52mm filter thread (look on the end of your lenses to find their filter thread sizes)Makes colours appear more saturatedReduces reflections from non-metallic materialsA polarising filter for lenses with a 52mm diameter filter thread.BenefitsLow-profile design prevents the filter from darkening (or 'vignetting') the corners of the frameFits lenses with a 52mm filter thread (look on the end of your lenses to find their filter thread sizes)Makes colours appear more saturatedReduces reflections from non-metallic materials