Ici:
http://cgi.ebay.fr/SMC-PENTAX-F-1-7X-AF-ADAPTER_W0QQitemZ280340275717QQcmdZViewItemQQptZFR_IQ_PhotoVideo_Photo_Objectifs_Zooms?hash=item280340275717&_trksid=p3286.c0.m14&_trkparms=72%3A1526|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A0|293%3A1|294%3A50 (http://cgi.ebay.fr/SMC-PENTAX-F-1-7X-AF-ADAPTER_W0QQitemZ280340275717QQcmdZViewItemQQptZFR_IQ_PhotoVideo_Photo_Objectifs_Zooms?hash=item280340275717&_trksid=p3286.c0.m14&_trkparms=72%3A1526%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318%7C301%3A0%7C293%3A1%7C294%3A50)