hands-on review of the D7100

Started Mar 15, 2013 | Discussions thread
fotolopithecus Senior Member • Posts: 1,699
Re: Focus Numerique...french site...has all iso samples....

mosswings wrote:

fotolopithecus wrote:

mosswings wrote:

jonrobertp wrote:

mosswings wrote:

jonrobertp wrote:

not that they are all that encouraging. vs the D7k. sigh.

JonRobertp, I just downloaded all of the RAWs for the D5200/7000/7100 from FN and loaded them into ViewNX2 2.7.4, which supports the D7100. I was rather surprised at what I saw...in a very positive way. The D7100 shots appear sharper - and only when I got up to ISO 6400 and pushed the exposure compensation all the way up was I able to see a tiny amount of banding in the shadows. The D5200 images looked fairly hohum by comparison.

What did you see that was discouraging to you?

PS: FN's testing rigor is atrocious. In the D5200 and D7000 images, auto-area AF is being used; in the D7100, single point; the lens used for the D5200 testing is the 18-55@24mm/5.6, , the D7000 shots used the 24mm/1.4@5.6, the D7100 shots used the 50mm/1.4@5.6...at least DPR is relatively consistent in its lens use if I'm not mistaken. Hard to judge purely sensor effects with these inconsistencies.

l loaded the supplied samples ...viewed them at 100% on my 24 inch screen...and on photoshop...and the new ones are a bit brighter, less color, less contrast. I`m sad to see that...since I may still buy the 71.

Hmmm. On my monitor (NEC PA271) the D7100 images appeared very similar in overall contrast to the D7000, with smoother grain (as you might expect) but with better feature definition. The D5200 images by contrast, if you'll excuse the pun, were nothing special. I would suspect that the lens used has something to do with it, and the AA filter secondarily - but with fine lenses mounted, I saw the D7100 images as superior. Overall, though, I don't like FN's test scene that much, nor DPR's, for that matter - so I'm not sure how these images would translate into more typical subject matter.

To my eyes the D7000 looks better than the D7100 up until 6400 where it starts looking worse, much worse with red hot pixels.

6400 is the last "native" ISO on the D7100 and most won't push beyond 3200. So what you're saying is that the D7000 is, practically, everywhere superior to the D7100, at least at 100%, which is borne out in lab measurements. However, since most don't view at 100%, the additional resolution of the 7100 offers advantages downrezzed to 1080 or even 2160 line monitors. Again, we need better test images than these.

If Sony had made the new sensor one could reasonably predict improvements on it's strengths, but in as much as Toshiba makes the new sensor I would expect some of its strengths, and weaknesses to be different. In the end it may turn out that it isn't so much a case of one being far better than the other, but a case of difference.

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