Oh those are quite lovely. I find that CA can be pretty fixable. At least purple fringing. Bad cyan fringing is hard to deal with though. I thought it was a given that pretty much any old long telephoto is going to exhibit fringing and that stopping down generally helps. Good to know about the A400 5.6. I may have heard that already somewhere...
On Wed, Jul 17, 2013 at 10:20 PM, Paul Stenquist <[email protected]> wrote: > Nice pics. But I think your concerns about CA on digital are valid. The A > 400/5.6 has problems. > > Paul via phone > > On Jul 17, 2013, at 10:07 PM, Mark C <[email protected]> wrote: > >> On 7/17/2013 8:43 PM, Zos Xavius wrote: >>> oooooh....just looked at the sample pictures.....maybe he has a dog or >>> can't focus. that doesn't look too hot. :/ >>> >>> On Wed, Jul 17, 2013 at 8:41 PM, Zos Xavius <[email protected]> wrote: >>>> http://www.pentaxforums.com/forums/photographic-equipment-sale/231660-sale-super-multi-coated-pentax-500mm-f-4-5-k-mount.html >>>> >>>> $750. Includes the original box even! If I had some cash laying around >>>> this would be mine! >> I used to have a screw mount 500 f4.5 SMC Takumar that a previous owner had >> modified by gluing a K-mount. It was great and inexpensive tool - the lens >> made colors pop so much that you could see the difference just looking >> through the finder. The lens had incredible resolution but bad chromatic >> aberration. I always wondered what it would be like on a DSLR. >> >> Just for laughs - here are a few shots I took with that lens and my trusty >> Pz-1p - all on film, of course: >> >> http://www.markcassino.com/newsite/portfolios/birds/pages/0204b35.htm >> http://www.markcassino.com/newsite/portfolios/birds/pages/0204b36.htm >> http://www.markcassino.com/newsite/portfolios/birds/pages/0204b45.htm >> http://www.markcassino.com/newsite/portfolios/birds/pages/0204b50.htm >> http://www.markcassino.com/newsite/portfolios/birds/pages/0204b52.htm >> http://www.markcassino.com/newsite/portfolios/birds/pages/0204b11.htm >> http://www.markcassino.com/newsite/portfolios/birds/pages/0204b01.htm >> http://www.markcassino.com/newsite/portfolios/lighthouses/pages/0204l35.htm >> >> It was a nice lens - the manual aperture and stop down metering presented >> some challenges and, as I said, I assume CA would be a major problem on a >> dslr. It was quite respectable on film, though. >> >> Mark >> >> -- >> 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.

