William Robb wrote: > ----- Original Message ----- > From: "jtainter" > Subject: K20D Lens adjustment Question > > >> Just back from 9 days in Italy, to which I took the K20D, the FA 31, and the >> three pups--the >> DA limiteds. I would have taken instead the DA* zooms, but as I reported >> here, the DA* 16-50 >> does not focus correctly at 16 mm on the K20D. It focuses fine from 18-50 >> mm, and fine at all >> focal lengths on the K10D. So the K20D and the DA* 16-50 need to go to >> Pentax to be calibrated >> to each other. > > 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.
I'd never thought of that but it makes sense. (I assume you're referring to Depth of Focus rather than Depth of Field?) -- 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.
