I usually check at more than one point. It's easy to pick out the focus point at 70, wide open, so start there.
Paul via phone > On Jul 7, 2015, at 5:58 PM, David J Brooks <pentko...@gmail.com> wrote: > > As you may remember my sigma 17-70 broke and Gentec in Markham > repaired it in the spring. It works fine, its seems to me to be just a > tad softer than what i remember. I did a quick down and dirty focus > check his morn, and it seems to be slightly FFing. Now being a zoom, > if it is FFing, at what position would it be ideal to do the > adjustment, at 1/2 way or at 70. > > Dave > > -- > Documenting Life in Rural Ontario. > www.caughtinmotion.com > http://brooksinthecountry.blogspot.com/ > York Region, Ontario, Canada > > -- > 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. -- 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.
