Its possible the copy I used was bad. The edges looks awful. My Pentax 12-24 is razor sharp across the frame at f11. I have no need to go wider or faster.
On Sat, Dec 7, 2013 at 10:32 AM, Jos from Holland <[email protected]> wrote: > Hm, maybe I had a bad copy, but my Sigma 10-20 gave me so many "just not > sharp" pictures. Now I have the 8-16mm, and it is so nice, sharp, and 8mm is > so much more than 10mm when looking for extremes... > Greetz, Jos > > > On 7-12-2013 16:24, Rob Studdert wrote: >> >> The edges aren't that bad on the Sigma 10-20/3.5, they are better than >> the Sigma 14/2.8 and the old Pentax A15/3.5. At 10mm wide open it's a >> soft right at the extremes but generally if it needs to be used wide >> open then light is poor anyhow and the image doesn't suffer for the >> lack of edge sharpness. >> >> On 8 December 2013 01:14, Zos Xavius <[email protected]> wrote: >>> >>> I'm not a big fan of the sigma WA zooms. The edges on the 10-20 aren't >>> great IMO. >>> >>> On Fri, Dec 6, 2013 at 11:39 PM, Rob Studdert <[email protected]> >>> wrote: >>>> >>>> It looks mildly interesting, unless you have a Sigma 10-20/3.5 which >>>> is no optical slouch, is less than a stop slower, provides a more >>>> versatile focal length range, has HSM focus which allows full manual >>>> override and is cheaper. >>>> >>>> >>>> >>>> On 6 December 2013 16:13, Igor Roshchin <[email protected]> wrote: >>>>> >>>>> >>>>> A new fast wide-angle rectilinear lens will be available soon for >>>>> Pentax >>>>> cameras: 10/2.8 from Samyang. Unfortunately, it will have only manual >>>>> focus. >>>>> It's also relatively heavy... >>>>> It might of interest to some people here. >>>>> >>>>> >>>>> http://www.dpreview.com/news/2013/12/06/samyang-announces-10mm-f2-8-manual-focus-wideangle-prime >>>>> >>>>> Cheers, >>>>> >>>>> Igor >>>>> >>>>> >>>>> -- >>>>> 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. >>>> >>>> >>>> >>>> -- >>>> Rob Studdert (Digital Image Studio) >>>> Tel: +61-418-166-870 UTC +10 Hours >>>> Gmail, eBay, Skype, Twitter, Facebook, Picasa: distudio >>>> >>>> -- >>>> 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. >>> >>> -- >>> 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. >> >> >> > > > -- > 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. -- 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.

