In the past, Sigma lenses that advertised USM (i.e., EX 80-200/2.8), only put it in lenses with Nikon and Canon mounts, but not Pentax or Minolta. The place to verify information is at the Sigma site.
BR "Boris Liberman" <[EMAIL PROTECTED]> wrote: >Hi! > >Adorama and probably others have for sale some Sigma lenses for Pentax >mount that feature HSM - high speed motor. Is it a mistake? Or is it >indeed USM lenses that can be used on Pentax cameras? __________________________________________________________________ McAfee VirusScan Online from the Netscape Network. Comprehensive protection for your entire computer. Get your free trial today! http://channels.netscape.com/ns/computing/mcafee/index.jsp?promo=393397 Get AOL Instant Messenger 5.1 free of charge. Download Now! http://aim.aol.com/aimnew/Aim/register.adp?promo=380455

