The tight crops look okay to me. The DOF falls off in the orange thing, but the sharp areas look good. And the other shot looks uniformly sharp to my eye. However, if it was my lens and it was stiff after a fall, I would have it serviced.
Paul On Sep 13, 2012, at 5:54 PM, Larry Colen <[email protected]> wrote: > > On Sep 13, 2012, at 2:00 PM, P. J. Alling wrote: >>> >>> >>> Is my lens tweaked, or am I just looking too closely at the pixels? >>> >>> >>> http://www.fluidr.com/photos/ellarsee/sets/72157631529224954/ >>> >>> >>> -- >>> Larry Colen [email protected] sent from i4est >>> >> I don't know, if I'm not looking at the original resolution I'm not sure >> what to tell you. However it does seem to be softer, less focused on the >> right side of the frame, in this image. >> http://www.fluidr.com/photos/ellarsee/7983529238/ My FA 28-200 showed >> similar softness on the left side of the frame after being banged around a >> lot as my carry lens. I think it's s symptom of optical decentering because >> a group got knocked a bit out of alignment. > > All the ones after 1790 are tight crops, the others are the full image. > > I suspect that it is out of alignment, I wonder what it would cost to repair? > An actual real test with a real focus chart is probably the proper test. > Probably using a flash to minimize blur from any camera motion. > > > -- > Larry Colen [email protected] sent from i4est > > > > > > -- > 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. -- 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.
