Collin, The K50/1.4 is bigger than the M, A, and F. It also has the oldest coatings. I don't believe the M and A are any different except for coatings and the external cosmetics of the A lens. Probably the same for the F.
To say you don't own any M lenses because you don't like the quality is a bit of a stretch. Especially in these days of zooms all over. Regards, Bob S. [EMAIL PROTECTED] writes: << I see from Boz' that the Optical Formula is the same. That's how the elements are arranged, and the type of each element. But, when I've looked at the lenses, there is an (apparent) difference in size. Perhaps the curvature of each element? Again I could be wrong on this, but the 'M'iniaturization done to create that next generation of lenses had a generally negative effect (imho). Consequently, I own no M lenses. (Though some might say that my A lenses are the same, with just a coating change!) Sorry to spoil your day. :( Make it a good one. :) >> - 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 .
