I will give a second positive opinion on the Sigma DC 18-125mm. Sharpness is very good until you reach the longer end. Distortion on the wide end can be an issue but for most subjects it is OK. I have not had any issues with flare. This lens lives on the *istD that my wife now shoots.
Some examples she shot: http://picasaweb.google.com/mpell555/SouthCarolinaBotanicalGarden#5203025833012929650 http://picasaweb.google.com/mpell555/SouthCarolinaBotanicalGarden#5203026017696523394 Flare Control: http://picasaweb.google.com/mpell555/AsilomarStateBeach#5178155708314529378 Typical distortions: http://picasaweb.google.com/mpell555/CharlestonMarch2007#5043825553141407810 On Tue, Apr 14, 2009 at 4:22 AM, Brian Walters <[email protected]> wrote: > Jim, Larry, Joseph, Igor > > Thanks for the feedback on this. It seems the Pentax/Tamron 18-250 is a > viable option, provided I stay aware of the limitations. Definitely > being considered. > > Jim - thanks for the thoughts on the Sigma 18-135 mm. That one would > probably meet most of my needs for a walk about lens. The Sigma 17-70 is > probably not long enough for what I think I need! > > > Cheers > > Brian > > ++++++++++++++++++++++++++++++++++ > Brian Walters > Western Sydney Australia > http://members.westnet.com.au/brianwal/SL/ > > > > On Sun, 12 Apr 2009 13:43 -0400, "Jim King" <[email protected]> wrote: >> Brian Walters wrote on Sun, 12 Apr 2009 03:55:38 -0700 >> > G'day all >> > >> > I'm contemplating getting a wide to tele zoom as a "walk around lens", >> > when I just want to carry a camera and a single lens. I'd like >> > something that starts at around 18 mm and goes to at least 135 mm. >> > >> > I'm aware of the Pentax, Tamron and Sigma 18-250 mm zooms but that >> > range >> > seems to be asking a lot of optical design. Does anyone have >> > experience >> > with any of these? Are the Pentax and Tamrons pretty much the same >> > thing >> > under the skin? >> > >> > Are there any other affordable options? >> > -- > > > -- > http://www.fastmail.fm - The professional email service > > > -- > 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. > -- <----------------------------------------------------> Perry Pellechia Primary email: [email protected] Alternate email: [email protected] Home Page: http://homer.chem.sc.edu/perry <----------------------------------------------------> -- 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.

