yeah, but those two you mention are completely different types of lenses. the tamron ld sp 180 and 300 are very similar.
-- J.C. O'Connell (mailto:[email protected]) Home Page - www.jchriso.com Join the Audio CD PLAYER DISCUSSION list - http://tech.groups.yahoo.com/group/cdplayers/ -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Bob W Sent: Saturday, July 04, 2009 6:10 AM To: 'Pentax-Discuss Mail List' Subject: RE: HELP! Are old Tamron lenses incompatible with digital? > > I recently acquired the Tamron SP 180mm F2.5 > adaptall2 lens and it's the best telephoto > I have ever owned (on digital). Stunning > fine details/detail contrast. > > Never owned the Tamron SP 300/2.8 (there were three > versions of that one), but seems weird that > it would be a poor performer in light of > the 180mm being so outstanding. > My experience of the CZ lenses was that some of them performed well on digital, but others didn't. For example, the 100/2.8 makro was still good, but the 85/1.4 showed a lot of purple fringing to the point that it was useless on digital. Bob -- 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. -- 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.
