Fotodiox Macro-Reverse-PK-52mm 52 mm Macro Reverse Ring for Pentax K Camera Mounts

Fotodiox 52mm Filter Thread Macro Reverse Mount Adapter Ring for Pentax K Camera, fits Pentaxist DS, DS2, D, DL, DL2, K10D, K20D, K100D, K110D, K200D, K100D Super, K-5, K-7, K-30, K-r, K-x, K-m, (K-m A.K.A. K2000), K-01, Samsung GX-20, GX-10