If all else is equal, the one stop of speed should make it easier to focus. I suspect that there's a problem with the lens or the camera. Paul On Mar 19, 2008, at 1:12 AM, Boris Liberman wrote:
> Bill, although you may be right, Joe's talking about 16-50/2.8 and we > seem to in agreement here that 16-45/4 focuses ok. If the one stop of > speed (16/2.8 vs 16/4) makes it or breaks it - it ain't no good... > > Boris > > > William Robb wrote: >> FWIW, neither my 14mm or 12-24 (at the short end) like to >> accurately autofocus with my K20. I >> suspect that it relates to the focal length being so short that >> DOF puts it is outside the >> resolution of the sensor. All my other lenses are fine. >> >> William Robb > > > -- > 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.

