Carry Speed MagFilter filter adapter on 52mm magnetic filter adapter for Sony RX100 / HX10 / HX20 / HX30V (Accessories)
The ring does what it should, also looks great, but: The magnet is too weak. If the ring is fitted with a good polarizing filter ranges in tug on the camera and the Ring dissolves. That's happened to me while hiking 2x as I have not additionally held