I doubt it is a Pentax design, as it's also shared by Sony (in addition to Tamron). Supposedly the Sony and Pentax examples have faster AF gearing and brand-specific coatings, the Pentax may also have a slightly tweaked optical design.
-Adam On Sat, May 10, 2008 at 12:12 PM, Tim Øsleby <[EMAIL PROTECTED]> wrote: > Specwise the Pentax is the same as the Tamron, eccept for the coating. > Accoding to the Norwegian distributor the DA is a Pentax design. I > don't know what they mean by this, I just report what I was told by > them. > It is reported as unknown lens in Lightroom. So it seems that the > camera does not recognice it. That does not prove anything, but IMO it > suggests that the basic design is done by another manufactor. > > I bought the Pentax, mainly because I prefer my money to end with > Pentax. Unfortunately it doesn't have QS. But it does have the > polariser window. Thats nice. > One more thing. The fokus is good at the K20D, but it is very slow at > the ist* DS. > > MaritimTim > > 2008/5/10 Steve Larson <[EMAIL PROTECTED]>: > > > > Hi all, > > I am not even expecting a response because I doubt anyone has experience > > with these do-it-all lenses, lol, > > but this will be the wife's do-it-all lense. I heard from a shop that the > > Tamron is good, but I really want to > > stay with a Pentax. I heard the Pentax was made by Tamron, then I was told > > it is not, so I'm lost, lol > > > > Thanks, > > Steve > > > > > > -- > > PDML Pentax-Discuss Mail List > > [email protected] > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > > > > > > -- > MaritimTim > > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > -- M. Adam Maas http://www.mawz.ca Explorations of the City Around Us. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

