Plastic is good enough to be used in hips and knees. I'm sure that a lens mount will hold up fine.
On Wed, May 23, 2012 at 12:20 PM, P. J. Alling <[email protected]> wrote: > Lenses are a long term investment, at least they used to be, plastic on a > bearing surface implies the opposite. No matter what plasticizers are lost > over time and the material becomes brittle and subject to cracking. > Eventually something important will break. Heat will exacerbate this > process. If the lens was cheap enough to be disposable that would be fine > but it's not really. > > > On 5/23/2012 10:02 AM, Charles Robinson wrote: >> >> On May 23, 2012, at 8:25, Tom C wrote: >> >>> Come on Pentax! How else are you shaving costs? Talk about making >>> yourself look cheap. >>> >> I have no complaints with the nice crisp images coming from my all-plastic >> DA 35 f2.4. It seems to be holding up quite well and frankly I don't give a >> rat's patootie what the mount is made of as long as it works. And it does. >> >> -Charles >> >> -- >> Charles Robinson - [email protected] >> Minneapolis, MN >> http://charles.robinsontwins.org >> http://www.facebook.com/charles.robinson >> >> > > > -- > Don't lose heart! They might want to cut it out, and they'll want to avoid > a lengthily search. > > > > -- > 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. -- David Parsons Photography http://www.davidparsonsphoto.com Aloha Photographer Photoblog http://alohaphotog.blogspot.com/ -- 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.

