... is 5.5mm. Digital camera 52mm Multicoat UV Filter Type: 52mm MCUV fillter(other type: 46mm,49mm,52mm,55mm,58mm.62mm,67mm,72mm ... , dirt, moisture, scratches and fingerprints. This basic clear glass filter is a must for every lens.Black Matte Finish FrameFilters ... finish almite frame, which reduces reflections. Low Profile FrameUltra-thin filter frames, which help to avoid vignetting on super wide angle ...