Nice capture. A little less centered would be better. Kenneth Waller http://www.tinyurl.com/272u2f
----- Original Message ----- From: "Mark Erickson" <[EMAIL PROTECTED]> Subject: K10D + DA* 16-50 report with samples >I finally got a couple of hours to take my new K10D and DA* 16-50 out into > the field. I took some shots of Oak trees on the eastern edge of the > Sacramento valley (along Ione Road south of Hwy 16). Here's a sample: > > http://www.westerickson.net/misc/ValleyOak.jpg > > This started out as a DNG raw. I pulled it into Photoshop CS2 with pretty > nominal settings, then used the channel mixer to convert to black and > white. > I did not apply any Photoshop sharpening. I thought that it was pretty > impressive at first glance--sharp, clean, and with good dynamic range. > The > image in the link is a straightforward downsize with no subsequent > sharpening. > > So I went pixel-peeping. Here are 100% crops of the lower left corner, > center, and lower right corner: > > http://www.westerickson.net/misc/LeftCenterRight.jpg > > To me, the grass on the right is noticably "mushier" than the grass on the > left. I've looked at a few other images and I see the same kind of > behavior. I guess this is the dreaded "decentering" defect. > > Also, when I shoot near the long end of the zoom, the autofocus is very > accurate. When I try to autofocus on distant objects at 16mm, the camera > seems to immediately "give up" and default to about 10 feet (3 meters) or > so. Autofocus seems ok for nearer objects. > > I'll have to mount this lens on my *ist-Ds to see if it's a K10D thing. > > Thoughts? > > --Mark -- 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.

