No. Sigma makes HSM lenses for other mounts. They make the same lens (but without HSM) for Pentax in many cases. I guess Adorama just used the generic description for the item in every mount without thinking the desciption might not be totally valid for us.
> -----Original Message----- > From: Boris Liberman [mailto:[EMAIL PROTECTED] > Sent: 17 July 2003 10:17 > To: [EMAIL PROTECTED] > Subject: Is USM already here? > > > 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? > > I mean not to start a flame or something of this sort - I > just want to > have my confusion resolved. > > Thanks. > > Boris > >
