My K10D is in for back focus issues at F 4-F1.8 and should get it back soon. This is attempt number two.
If its not fixed, i live close enough to Pentax Canada, that i can drive back with the camera and the lenses i use for low light and closes ups for them. Or just give up, use the Nikon or buy a K20D and do my own adjustments. Dave Dave On Thu, Mar 27, 2008 at 3:16 AM, Antti-Pekka Virjonen <[EMAIL PROTECTED]> wrote: > Hi Joe (and Cotty too, thanks for the encouraging words :P), > > I did some more testing with my K10D and DA* last evening shooting the > brig wall of a nearby building and other subjects near infinity. > > It appears that at 16mm the lens is not focused all the way to infinity > but the resulting pictures of remote objects are still as sharp as they > can get (well within DOF) even at f2.8. This is my first autofocus wide > angle lens (or wide angle zoom) so I don't know how they are supposed to > focus with af body. Then later last night I realized I usually do the > same with film bodies and SMC 15/3.5 as my K10D now does with the DA*, I > set the focus at a suitable point (not at infinity) to get a larger DOF. > Some things you do automatically you don't even realize you're doing. > Focusing the DA* manually did not give any better results. > > I compared the autofocused 16mm shots with pictures of the same subject > at the same distance taken with my manual focus wide angle lenses set at > infinity. All I can tell is that the 16mm seems sharper than any of the > old primes! Quite a performance from a zoom lens. Ok, I know it is > optimized for DSLR but still... > > It seems to take a while getting used to the silent SDM. > > > Antti-Pekka > > ________________________________________ > > Antti-Pekka Virjonen > > Computec Oy > R&D Turku > > www.computec.fi > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > > Behalf Of Joseph Tainter > > Sent: Thursday, March 27, 2008 3:45 AM > > To: pdml@pdml.net > > Subject: Re: K10D (V1.30 firmware) and DA* 16-50/2.8 focus problems > > > > "It seems that my K10D does not focus correctly at infinity but > > instead > > focuses a lot closer when shooting landscapes for example (front > > focus?). This seems to happen more at the wide end (16mm) of the > > lens. > > Shooting portraits or other subjects in the few meters range the > > focus > > seems to be right on." > > > > This is the same problem I have had, and others have had as well. > > My > > problem shows up with the lens on the K20D at 16 mm. On the K10D at > > 16 > > mm it focuses to infinity correctly. > > > > I was advised to send both camera and lens to Pentax. You will > > probably > > need to do the same. > > > > Joe > > > > -- > > 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. > -- Equine Photography www.caughtinmotion.com http://brooksinthecountry.blogspot.com/ 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.
