It's a Henry's isn't it? My K-3 came from the unfashionable Brampton store where they had one counter-width devoted to Pentax. Quite well represented, I thought.
On Wed, Mar 19, 2014 at 7:39 PM, David J Brooks <pentko...@gmail.com> wrote: > Not even sure this store stocks Pentax cameras, i'll find out Sat > > On Wed, Mar 19, 2014 at 7:05 PM, Bruce Walker <bruce.wal...@gmail.com> wrote: >> One last thought: make sure you clean the mount contacts really >> thoroughly. And did you try it on another camera body besides your >> own? >> >> >> On Wed, Mar 19, 2014 at 6:58 PM, David J Brooks <pentko...@gmail.com> wrote: >>> Inside and outside. Inside 2 may be 3 seconds to get in focus. out >>> side 1-2 seconds >>> Another is on order for Sat if its still the same i'll get them to >>> order me the Sigma 17-70 2.8-4 the PF review is good >>> Even sales man said its to slow >>> >>> >>> Dave >>> >>> On Wed, Mar 19, 2014 at 6:53 PM, Bruce Walker <bruce.wal...@gmail.com> >>> wrote: >>>> What kind of light was illuminating your subject? How contrasty was it? >>>> >>>> Try AF outdoors. >>>> >>>> When working correctly on the K20D, SDM can focus in something like >>>> 0.2 seconds. But in reduced light you can count on many seconds -- >>>> while the smile fades from your portrait subject ... >>>> >>>> This all improves quite noticeably on the K-3. But really low light >>>> still causes problems that I solve by switching to MF. >>>> >>>> >>>> On Wed, Mar 19, 2014 at 6:43 PM, David J Brooks <pentko...@gmail.com> >>>> wrote: >>>>> Could be, i mostly tried it at 650-70 length. It was and i', m not >>>>> exagerating at least 2-3 if not more seconds to focus. You could see >>>>> it in th efinder getting closer and closer and hey there ist in focus. >>>>> Not sure i want something i need to just hold and hope. >>>>> >>>>> Dave >>>>> >>>>> On Wed, Mar 19, 2014 at 6:31 PM, Dario Bonazza >>>>> <dario.bona...@virgilio.it> wrote: >>>>>> Well, the DA* 50-135mm SDM is probably the slowest AF lens on Earth, >>>>>> gaining >>>>>> it the nickname of "the sloth". Generally speaking, SDM lenses are slower >>>>>> than both screw-driven ad DC Pentax AF lenses, so the DA 17-70mm is a >>>>>> good >>>>>> candidate for being another slow-AF lens. However, I own it and I don't >>>>>> find >>>>>> it THAT slow as you pointed out. >>>>>> There is however another problem I saw on several samples of that lens >>>>>> and >>>>>> is the almost impossibility to autofocus above 50mm focal length, hunting >>>>>> forever while you try & find the focus. Perhaps that's the problem you >>>>>> spotted. >>>>>> >>>>>> Dario >>>>>> >>>>>> -----Messaggio originale----- From: David J Brooks >>>>>> Sent: Wednesday, March 19, 2014 11:17 PM >>>>>> To: Pentax Discuss >>>>>> Subject: Pentax 17-70 f4 and SDM motor question >>>>>> >>>>>> >>>>>> Hi all >>>>>> >>>>>> I went to pick up above mentioned lens this afternoon. loks and feel >>>>>> nice on the K-5, however me thinks there is a problem. >>>>>> I know the AF of Canon and Nikon are quite fast leaving us Pentaxians >>>>>> hunting and pecking our way through landscapes and soccer photos, BUT, >>>>>> 2-3 seconds to lock on and focus on a static object.?? Me thinks >>>>>> that's a bit to slow. >>>>>> The salesman and i played with it for 10-15 minutes. It did get a tad >>>>>> faster to focus but it was still painfully slow. I know it will not be >>>>>> as snappy as my Nikon 70-200 f2,9 VR lens, you can barely hear >>>>>> anything and it locks on faster than Mike Johnson deleting a cat >>>>>> photo. >>>>>> >>>>>> So, am i missing something with this SDM system. Is it painfully slow >>>>>> or should it be as fast or faster to AF on a subject as the screw >>>>>> focus lenses. Do i need to adjust a menu setting or something. >>>>>> >>>>>> Another is on order for Saturday >>>>>> >>>>>> 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. >>>>>> >>>>>> >>>>>> ----- >>>>>> Nessun virus nel messaggio. >>>>>> Controllato da AVG - www.avg.com >>>>>> Versione: 2013.0.3462 / Database dei virus: 3722/7216 - Data di >>>>>> rilascio: >>>>>> 19/03/2014 >>>>>> >>>>>> -- >>>>>> 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. >>>>> >>>>> >>>>> >>>>> -- >>>>> 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. >>>> >>>> >>>> >>>> -- >>>> -bmw >>>> >>>> -- >>>> 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. >>> >>> >>> >>> -- >>> 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. >> >> >> >> -- >> -bmw >> >> -- >> 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. > > > > -- > 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. -- -bmw -- 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.