>Did I once read about an EF to screwthread adapter? Is there an EF to K mount adapter?
According to a Canon web page (actually made by an Internet acquaintance of mine from another realm) the only Pentax lenses that will work on a Canon (with an adapter) are screwmount. Nothing else. Anyway that's what I remember -- I haven't read it recently -- but here is the article. http://photonotes.org/articles/eos-manual-lenses/ HTH, Marnie aka Doe
