Doh... the DA 1.4 converter yields an f8 wide open ap. Paul
> On May 18, 2018, at 4:35 PM, Paul Stenquist <[email protected]> wrote: > > I love the 150-450, and I was surprised to see how sharp it is with the DA > 1.4 conveyer. Of course that combo yields An f8 wide open so, but at 630 mm, > that still limits DOF quite nicely. Almost all my bird pics were shot with > that combination. > > Paul > >> On May 18, 2018, at 4:14 PM, Jan van Wijk <[email protected]> wrote: >> >> Hello Subash, >> >> I have had the FA* 400 ever since I ownded the PZ1 in the film days. >> It is easy to hadle (has a tripod collar) but can also be handheld quite >> easy. >> It is pretty fast in focussing and optical quality is good (as expected for >> a * lens) >> >> However, it DOES show purple fringing in high contrast areas, like tree >> branches against the sky. >> Depending on the subject and lighting, it can be cured reasonable in post (I >> use lightroom) >> but it will not be perfect ... >> >> I have used it on all digital bodies I owned, including the K3 and K1, but >> most of the time I prefer >> to use the Sigma 50..500 zoom, when the extra weight is no issue. >> >> >>> On Fri, 18 May 2018 12:13:28 -0400 Paul Stenquist wrote: >>> >>> I have the A 400/5.6. I don't know if it's the same optical formula as the >>> FA 400, but it does exhibit some pretty severe purple fringing. >>> >>>> On May 18, 2018, at 12:02 PM, Subash Jeyan <[email protected]> wrote: >>>> >>>> thanks Igor. i'd like something longer than 300 and yes i am willing to >>>> lug a tripod. reassuring to know that it is well-built and i hope the >>>> purple fringing is manageable in post, you didn't seem to be unduly >>>> worried about it... >> >> Regards, JvW >> >> >> ------------------------------------------------------------------ >> Jan van Wijk; http://www.dfsee.com >> Flickr : jvw_pentax >> >> >> -- >> 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.
