William Robb wrote: In general, the K lenses are mechanically smoother than A > lenses, and optically better than M lenses.
Yep. Someone--Shel?--reported last year that many M lenses replaced the K's brass with aluminum, affecting smoothness of focus, especially in cold weather. Paul Franklin Stregevsky - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
