Based on what I've read, in-lens focus motors have been a warranty problem for all manufacturers. I had one failure, the DA 60-250, from among my three SDM lenses. But I love them.
Paul via phone > On Dec 31, 2013, at 5:45 PM, Mark C <pdml-m...@charter.net> wrote: > > Thanks, Rick. Some of the user reviews I looked at commented on SDM problems. > I noticed comments here that SDM has been improved in newer lenses. I've been > assuming that in this case lenses assembled recently had improved SDM drives > and lower failure rates - so I've been heartened to consider using it. I will > say that the past SDM issues would make me want to buy new vs old, to be sure > to have warranty coverage. > > Mark > > >> On 12/31/2013 10:33 AM, Rick Womer wrote: >> I've been tempted by the 17-70 for years; the SDM problems have held me back >> (and being frugal, of course). >> >> Rick >> >>> On Dec 30, 2013, at 23:07 , Mark C wrote: >>> >>> Thanks Jonathan. Is there a review of the 17-70 f4 on dxomark? I can't find >>> it but I am probably missing it. They seem to have a high regard for the >>> 16-45 though! I appreciate your feedback on the 17-70 as well. >>> >>> Mark >>> >>>> On 12/30/2013 9:51 PM, ma...@redwoodhorses.com wrote: >>>> Check out >>>> http://www.dxomark.com/Lenses/Ratings >>>> I personally like the 17-70 f4 lens. >>>> jonathan >>>> >>>> -----Original Message----- >>>> From: PDML [mailto:pdml-boun...@pdml.net] On Behalf Of Dario Bonazza >>>> Sent: Monday, December 30, 2013 3:50 PM >>>> To: Pentax-Discuss Mail List >>>> Subject: Re: Opinions on DA 17-70 f4 >>>> >>>> I did the same for the same reason. Quality-wise, it's a bit worse than the >>>> 16-45, but the difference is not so obvious. >>>> The zoom range and the silent focus are true bonuses for my photography, >>>> hence I'm not tempted to get back to the 16-45 (which I still own). >>>> Dario >>>> >>>> -----Messaggio originale----- >>>> From: Mark C >>>> Sent: Tuesday, December 31, 2013 12:07 AM >>>> To: Pentax-Discuss Mail List >>>> Subject: Opinions on DA 17-70 f4 >>>> >>>> I'm thinking about getting a DA 17-70 f4 as an upgrade to my DA 16-45 f4. >>>> Mostly looking for a little more reach and less gap between the long end >>>> and >>>> the short end of the telephoto zoom that I usually carry with it. I don't >>>> really need an f2.8 lens and, besides, they are not much longer than the >>>> one >>>> I have. >>>> >>>> Does anyone have any experience wit this lens? The user reviews I have >>>> stumbled into seem to be inconsistent. Photozone.de gives it fairly high >>>> marks... >>>> >>>> Mark >>>> >>>> -- >>>> 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: 3658/6961 - Data di rilascio: >>>> 30/12/2013 >>>> >>>> >>>> -- >>>> 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. > > > -- > 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.
