Archived posting to the Leica Users Group, 2013/10/04
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Sharpness is highly overrated... :-) On Fri, Oct 4, 2013 at 12:12 PM, Frank Filippone <red735i at verizon.net>wrote: > Don?t get on my case, this testing if for me?. YMMV > > ( Ted, go take a blood pressure pill or push the delete button). > > > > Lenses: > > 18-35 AIS F3.5-4.5 lens ( Non ?G lens) > > 24-85 AF S G F3.5-4.5 non-VR Lens > > > > I have several other Nikkor lenses, all fixed FL, but for this stage, they > will not be tested. > > > > Methodology: In this case, I took my 2 ?new? lenses on my D1x body to see > what they could do, hand held at F3.5 or as open as possible Figure the > day > was a sunny 16, so the shutter speed was up there.?.. NEF Images were > taken > and neutrally processed in LR4. I was pixel peeping at 1:1. > > No companion Leica images. > > > > The body is a Nikon D1x ( 1.5 crop / reduced format /small / old > technology > / cheap / maybe they call it DX format? APSC format?) > > Why? Because I own one and it was sitting in my bag. I do not own (yet) > and did not rent (yet) the expensive part of this project, a full frame > D800e ( or similar). > > > > Implication: I was using the center of the frame?. The ?sweet spot? of the > lens. Not exactly pushing the lens for its best. > > > > Images were taken outside of my back patio?. The subject were some high > voltage towers about ? of a mile away. Basically infinity. > > > > Without a lot of wasted verbage: > > First, the S lens ( silent wave) focus motor DID work. Yes, I read it > should work, but more importantly, it DID work. > > Second.. there is difference in the color of the images? John, right on > that > subject?. I think a bit of work in either color balance or just image > warmth would neutralize that. No big deal. I could not find any CA or > other weirdness in the images. > > Third, the images came back pretty sharp?.. in the corners it was just > fine, > center it was as good. ( Zoom lens vs fixed FL issue resolved. Good enuf > is good enuf). They passed the first requirement? sharp enough on my > existant camera. ( if they failed on this camera, they would have really > done poorly on a D800e so I would not have continued) > > Fourth, it fits in my camera bag ( at least the smaller 24-85 does. The > 18-35 is a bit too long. > > Fifth, the BEST output came from my 1980?s vintage 50mm F1.4 AIS manually > focused lens at F4. No surprise to me. > > > > So, first cut, the idea to replace Leica with Nikon is still a go?.testing > will go further?. And be more precise and fussy. > > > > Frank Filippone > > Red735i at verizon.net > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- Bob Adler