... (Mainland)MaterialOptical GlassFilter Ring MaterialaluminumType CPL filter Size:30.5mmColorSilver and blackGlassThickness1.9mmRing Thickness7mmpackagePlastic ... basing on quantity and order confirmed 5. OEM filter welcome : -Custom size acceptable -Customer’s ... ,72,77,82,86 Multi-coated filter / MC UV filter 25,27, 28,30, 34 ... 62,67,72,77,82,86 Full color filter ( Red, green, orange, grey, blue, yellow25,27 ...