"PL-108AF Studio Series Digital Auto Focus / TTL Shoe Mount Flash For The Pentax K-X, K-7, K-5, K-R, 645D, K20D, K200D, K2000, K10D, K2000, K1000, K100D Super, K110D, *ist D, *ist DL, *ist DS, *ist DS2 Digital SLR Cameras"