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04/16/2013 04:42:35 PM · #1 |
A place to compare this new camera to others. Feel free to post your own comparison images.
I wanted to test it compared to the D600. I was also interested in how the Sigma 10-20 compared to the Nikon 16-35 (besides being a heck of a lot smaller and lighter!)
As a somewhat but not perfectly controlled test, here are the two NEFs side by side in Lightroom 4.4 without ANY adjustments. The camera was on manual, and the ISO was on auto...for some reason the D600 picked a slightly higher ISO and hence a bit more exposure. I believe I focused on one of the yellow boat anchor points, but I don't recall exactly right now. In this particular test, to get maximum landscape focus and high ISO for the compare, I used F13. Both handheld.
The captions explain the view. As a pixel peeper, these both seem somewhat noisy to me, but I think you have to get used to peeping at 24 Mpixels...there's going to be grain/noise at relatively high ISOs. (In fact, while this is ISO 2000, I see grain as low as ISO 900 in both). There's obviously somewhat more noise in the D7100, seen throughout, but moreso in the shadows. I zoomed in on the shadow areas particularly for this reason. The exposure was to the right though...so nothing was abnormally underexposed, or overexposed, just reflected the relative light. I have learned with all my Nikons that while they are great at revealing shadow detail, it's best to expose to the right to minimize noise (true on most sensors!)
Note the last image I did 100% shadow recovery, and raised the exposure by .5. There's talk online about the new Toshiba based sensor on the D7100 not being as good at shadow recovery, and also banding in the shadows. I don't see banding, but I do see a bit of false green coloring.
[ETA: All pics can be enlarged to full size, which is the size of a screen capture on my 30" monitor. Use the View Full Size link.]
Full frame view
About 1:2 size (1/2)
1x size
2x Size in the shadows
3x Size in the shadows
1x Size, 100% shadow recovery, +.5 stops in Lightroom
I've done some other comparisons, but I'll have to post them later.
Message edited by author 2013-04-16 17:34:28. |
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04/17/2013 03:17:18 PM · #2 |
Interesting comparisons. Yes, the D600 is better. It doesn't look enough better that it's going to make much difference in real life, though. I noticed that at pixel peeping size, my D800 is shockingly noisy at high ISOs. But at the size we view images in real life, the noise averages out and isn't worth worrying about.
Thom Hogan wrote an interesting article yesterday. The main point of the article was that DSLR's have matured to the point where the *meaningful* differences between camera models aren't usually in the things that we measure, like noise. The most meaningful differences now are related more to camera handling, and the reason most professionals go with the professional cameras is because they handle better (I would also add weather sealing and solid build). The buttons and dials on one of the professional Nikons are much quicker to operate than the menu system in the consumer Nikons, for example.
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04/17/2013 04:24:22 PM · #3 |
Yes, I decided to take the D600 and lenses on my Canyon trip based on these tests. I could return the D7100 today (last day I can do that), but I think I'll keep it as my crop version.
Part of the reason I am taking the D600 is not the camera's fault...I did lens tests of the 16-35 versus my Sigma 10-20 and the results were very much in favor of the 16-35, at least until F11 where the Sigma was pretty close. But with VR and all, the 16-35 made me decide. I am a bit sad that my 10.5mm fisheye will only be usable in crop mode (as opposed to getting striking 24mpixel shots. But keeping the D7100 might just be worth it in terms of using the 10.5, rather than spending $900 for the 16mm FF fisheye.
When I get back I'll post some other comparisons...meanwhile I'd love to see people use the thread to post similar comparisons of "comparable" cameras...doesn't need to be D7100 or Nikon. Maybe I'll change the name of the thread! |
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