On Tue, Jul 23, 2013, Igor Roshchin wrote: > > Here is what I wrote previously about my experience with Pentax 17-70/4: > > (2 years ago:) > Also, albeit very subjectively (i.e. without quantitative and systematic > tests), I found that 17-70/4 tends to produce somewhat sharper images of > the dancers than 16-50/2.8 even at f/4 or f/5.6. > The only way I can explain this is by different quality (or speed?) > of focusing. > I've been puzzled by that myself, and that why I chose to keep 17-70/4 > last year. > > [I am not sure if I had a bad sample of 16-50/2.8/]
Did you ever experience any AF refusing to operate like I did with the rental 16-50? (Described in another post.) -- Hugs and backrubs -- I break Rule 6 http://rule6.info/ <*> <*> <*> Help a hearing-impaired person: http://rule6.info/hearing.html -- 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.
