Larry, you and Paul got me thinking about a test with Yvon's AF target - just to make sure there is no micro shift made evident by the 1.4 aperture. I understand the 1.4 lenses got slightly worse results wide open than the 1.7, and my rather crude tests point in the same direction. If you get to test it, post the results, ok?
Of course I'd still go for the slightly OOF pic, as opposed to the words describing the UFO. Luiz Felipe luiz.felipe at techmit.com.br http://www.techmit.com.br/luizfelipe Larry's ideas: >On Feb 10, 2011, at 4:43 AM, Paul Stenquist wrote: >> >> Did you manual focus? If you're shooting wide open, and your autofocus is >> off by even a relatively small amount, your results will be soft. The >> performance of this lens on my K20 is what first convinced me that fine >> focus adjustment is a necessity. I've since seen that the FA50/1.4 required >> more adjustment than any of my DA or DA* lenses. >> Paul > >I ran versions of the test with both autofocus, and manual focus with the >katzeye, and got very similar results. > >Some of it was CA. Oddly, to me, this lens doesn't seem to be in the >lightroom lens correction database. > > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
