I think so. I was at a studio shoot with another owner today (I think it was Canon mount) but in any case he came to the conclusion also that it's user error for the most part mixed with unrealistic expectations.
On 8 November 2014 13:50, Bryan Jacoby <bryan.jac...@gmail.com> wrote: > Sorry, I wasn't clear. What I meant was does the AF performance seem > adequate/typical in the context of the depth of field one gets at > f/2.8 (for a more fair comparison with other fast zooms). > > Actually, I think the aperture used for TTL AF is set by the AF > system, not the lens. So while it's true that the lens is open to > f/1.8 during focusing, I think it's effectively only focusing at f/5.6 > or f/2.8 depending on which camera and AF point you're using. > > On Thu, Nov 6, 2014 at 3:30 AM, Rob Studdert <distudio.p...@gmail.com> wrote: >> TTL AF is always performed with the lens wide open regardless of the >> taking aperture. >> > > -- > 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. -- 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 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.
