George, I hear you. I just uncovered my FA*28-70/2.8 AL and FA*70-200/2.8 ED [IF]. They are great lenses but kind of heavy. 800 gm and 1510 gm respectively. The DA*60-250/4 is 'only' 1040 gm, and mighty heavy...don't want to carry more! We'll need lens 'bearers' on safari. ;-) Regards, Bob S.
On Tue, Feb 5, 2013 at 10:17 AM, George Sinos <[email protected]> wrote: > The diffraction effects are real, but depending your actual use of the > camera they may or may not make a lot of difference. > > By the time you do a little sharpening and downsizing you won't see > anything unless you're looking for it, if at all. Now if you're > making wall size prints it's a different story. > > On the other hand, as Mark mentioned, what you will see is the > beautiful tonal gradation and wider dynamic range that is possible, > especially at the lower ISO settings. > > I'm not sure if that's a result of the high pixel count or just the > natural developments of sensors and processor tech, but it's sure > nice. I've been going over a lot of my early attempts and have > discovered less need for HDR post processing than I had expected. > > On another topic, as much as everyone talks about FF cameras, I wonder > how many are thinking about the size of the lenses. I'm not thinking > of the old manual focus lenses that the residents of this list love so > much. I'm talking about lenses that will actually sell today and make > money for pentax. There is a pretty big size and weight penalty. I'm > not sure if Pentax has magic lens design skills unknown to N and C > designers, but I doubt it. > > gs > George Sinos > -------------------- > [email protected] > www.georgesphotos.net > plus.georgesinos.com > > > On Tue, Feb 5, 2013 at 8:32 AM, Bob Sullivan <[email protected]> wrote: >> Thanks Dave, >> That will give me some real world experience based idea. >> Regards, Bob S. >> >> On Mon, Feb 4, 2013 at 11:11 PM, David Savage <[email protected]> wrote: >>> Basically I've notice that the "aperture" sweet spot is even more >>> critical at such a high MP count. >>> >>> When I migrated to Nikon I bought their best lenses (the holy trinity >>> 14-24, 24-70, 780-200, ptus their 50 f1.4 & 85 f1.4). >>> >>> On the D700 I never really had any image quality issues with them. >>> Those same lenses on the D800 are noticeably softer away from their >>> respective "sweet spots". f5.6 - soft, f8 - shaper, f11 sweet, f16 - >>> softer... >>> >>> Also the high resolution shows up flaws in your hand holding >>> technique. The old rule of thumb of shutter speed being the inverse of >>> the focal length doesn't really work any more. Double it to be sure, >>> or use a tripod. >>> >>> The D800/D800E manual came with a series of instructions on how to >>> maintain sharpness & detail. >>> >>> DS >>> >>> On 04/02/2013, Bob Sullivan <[email protected]> wrote: >>>> Dave, >>>> How about giving us some more personal insights on 'diffraction issues >>>> with most lenses.' >>>> I'd like to know so I could get out in front of that issue. >>>> Regards, Bob S. >>>> >>>> On Sun, Feb 3, 2013 at 12:43 AM, David Savage <[email protected]> wrote: >>>>> And loving it! >>>>> >>>>> ...except for the diffraction issues with most lenses... >>>>> >>>>> On 3 February 2013 12:30, Boris Liberman <[email protected]> wrote: >>>>>> Poor Nikonians. Their flagship has twice as many pixels and then some >>>>>> :-). >>>>>> >>>>>> On 2/1/2013 10:08 PM, Charles Robinson wrote: >>>>>>> >>>>>>> Each RAW file is now larger than the first harddrive I ever owned. >>>>>>> >>>>>>> Nothing to be done for that, is there? I'm shooting DNG which I believe >>>>>>> I >>>>>>> heard is already stored in a semi-compressed state. >>>>>>> >>>>>>> -Charles >>>>>>> >>>>>>> -- >>>>>>> Charles Robinson - [email protected] >>>>>>> Minneapolis, MN >>>>>>> http://charles.robinsontwins.org >>>>>>> http://www.facebook.com/charles.robinson >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> 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. >> >> -- >> 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.
