"Hans Kruse" <hans.kruse@mail.tele.dk> skrev i en meddelelse
news:49b3a4d8$0$90264$14726298@news.sunsite.dk...
> Jeg postede dengang D3 var helt ny omkring hvad jeg så som mindre skarpe
> og detaljerede billeder. Jeg fik jeg en del på hatten for selvom det var
> hvad de fleste så. For low light fotografi, som er D3'erens styrke er det
> heller ikke et problem. Men ser man på billeder fra Canon 5D, 5D mk2, 1Ds
> mk3 og specielt Nikon D3X på pixel niveau så ses det meget tydeligt på
> lave ISO værdier. Forholder det sig så sådan?
>
> For dem, der har en D3 er det sikkert af interesse at se, at der er en
> bedre løsning og at der faktisk er en løsning, der giver væsentligt bedre
> resultater. For et mindre beløb kan man læse det i detaljer her
>
http://diglloyd.com/prem/prot/DAP/Nikon-vs-Canon/Sharpness2.html og i
> andre artikler på samme site. Han har en masse andre artikler bla. om D3X,
> som man næsten må lægge bånd sig for ikke at fare ud at købe efter den
> veldokumenterede gennemgang af billedkvalitet, som overtrumfer Canon i den
> grad. Det sidste er i modstrid med mange anmeldelser, bla.
>
http://www.dpreview.com/reviews/nikond3x/, men det viser blot at de ikke
> er nær så grundige, som DiggLloyd's.
>
> Konklusionen fra hans artikkel:
>
> Conclusions
> This scene shows unequivocally that the 21MP Canon EOS 1Ds Mark III has
> considerably higher resolving power than the 12MP Nikon D3 (to be
> expected).
>
> There are so many ways to process and sharpen RAW images, that one
> ultimately has to make a choice. Choices were made for this article which
> reflect basic approaches to RAW processing which do not require elaborate
> effort or deep experience to employ. It should be understood after looking
> at all the examples that the D3 is capable of very fine imagery when
> processed appropriately, and that it might possibly look even better than
> the examples shown here with other RAW converters and/or other sharpening
> approaches.
>
> Straightforward (basic unsharp mask) sharpening of D3 images can produce a
> "soft look" for D3 images, especially in Capture NX 2. They just don't
> have that crisp per-pixel look like the Canon 1DsM3 (again when processed
> with basic sharpening). Sensor characteristics, anti-aliasing filter,
> electronics might all have something to do with it. This doesn't make the
> D3 a bad camera (it's exceptional in many ways), but users making large
> prints should carefully assess their RAW-file converter and approach to
> sharpening in order to squeeze out the detail that is actually present in
> D3 files. It's just not the same "no brainer" to sharpen D3 files as it is
> for the Canon 1DsM3 files (and in past experience Canon 1DM3 and 5D
> files).
>
> Users should consider alternative RAW-file converters for D3 files.
> Iridient Digital's RAW Developer 1.8.1 used with R-L Deconvolution
> sharpening pulled out subtle pixel level detail and tonal/color
> subtleties. The same results might be achievable in Capture NX 2, but the
> magic settings to do so were not found.
>
> The way the Nikon D3 resolves detail seems different to my eyes, and
> perhaps it explains my initial consternation ("actual pixels is quite
> another story") when I first received the camera. I had attributed that to
> some kind of user error but these results show that the D3 with basic
> processing in Capture NX 2 simply does not resolve with the "crispness"
> that could be expected in a 12.1MP camera-or more accurately-that the
> files might be "good for lots of post-processing". In my book, that means
> more effort and therefore more hassle. But for many users, this is a
> non-issue; one develops a workflow and forgets about the issue.
>
> As I've used the D3 mainly as a low-light camera, pin-sharpness has never
> been my primary concern. Going forward, the choice is clear that the right
> tool needs to be used for the job: low light/low noise versus
> resolution-and that alternative RAW-file conversion is part of the
> equation.
>
>
> --
> Med venlig hilsen/Kind regards,
> Hans Kruse
www.hanskrusephotography.com, www.hanskruse.com
>
>
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