Hi Don ... They both look pretty bad, although the A hoovers more than the M. Have you tried changing the dust bag?
Shel > [Original Message] > From: Don Sanderson > Here is a quick comparison of the "Wide Open" performance of my > like new SMCP-A50/1.4 and one of my rather dusty SMCP-M50/1.4 > lenses. > Both at 1.4, both focused on the mailbox using the in focus indicator, > shots within a couple of minutes of each other. > Shot just before dusk in indirect light. On the ist-D. > JPEG straight from camera, no post processing. > Any idea what could be wrong with A? > It looks and acts perfect but the image quality below 5.6 hoovers! > By 5.6 they're about equal, at 8 and smaller the A wins. :-( > > http://www.donsauction.com/pdml/A_vs_M.htm > > Don
