Aglet said:
sdsr said:
jrista said:
it's not possible to select the 7D in their new comparison tool on DPR.
? If you click on the OP's link, it's one of the three cameras selected to compare with the 7DII (it's right next to it).
sometimes you gotta dump your javascript caches?...
I was getting totally bad data from dxomark a couple years ago, thinking it was real. Made a fool of myself here posting it.
turned out my browser was displaying incorrect data - different computer, same page, same time, was displaying correctly.
Odd, I have a similar issue. On my laptop, same browser (Chrome), the 7D is not listed. I cleared the cache and all, doesn't seem to matter what I do, 7D isn't listed. On my desktop system here, also with Chrome, the 7D is listed. Not sure what the deal is. As far as I can tell, both systems are running the same version of Chrome.
On my desktop here, at ISO 6400 RAW, the 7D definitely seems to have more chroma noise than the 7D II. The 7D II still seems to have a less fine-grained, more blotchy distribution of chroma noise, where as the D7100 has a finer-grained, more random and less blotchy chroma noise.
@DanielW: I could take screenshots and post them, but we should all be looking at the same data. My screens are all calibrated, at a brightness of 120mcd. The lower brightness helps reveal detail, where as higher brightness, such as 400mcd or brighter which is often the default on many screens these days, could very likely wash out detail. If you can, reduce your screen brightness, and calibrate your screen.
Then, compare the light blue swatch on the color checker card at say ISO 6400 RAW, the one just above the black swatch in the lower right corner. Also, make sure you are in print mode. I've been comparing the 7D II and the D7100. The difference should be pretty obvious. I have also been comparing the grayscale swatches...on my calibrated screen, the 7D II seems to have more pronounced color noise, and the color noise seems to "clump" into groups of many pixels. The D7100, while it still has color noise, takes on a finer and more random characteristic which, to me at least, is more pleasing. I wouldn't say it has less noise...just a better characteristic in my opinion.
For a more real-world expression of how the characteristic of noise can affect an image, move the zoomed in view box to the picture of the guy in the lower left, and position it such that you can see a bit of the dark background behind the picture, as well as the guys chin and throat. The color noise in the background of the 7D II image takes on a rougher texture, and seems more pronounced. Also, you can see color noise in the guys neck. The D7100 has a finer and more random color noise texture, and I can hardly see any color noise at all in the guys neck.
As far as how readable the text is, that seems to be related to AA filter strength and pixel count. Sensors with more pixels generally have more readable text in the color wheels and in the text blocks in the middle.
I should note that all of these differences are more pronounced and obvious on my laptop screen. That has a 3200x1800 pixel screen, however it still renders everything at the same general scale as my desktop (I set the DPI up on the laptop to render everything using more pixels...so text is roughly the same size in absolute terms as my desktop, but more pixels are used to render it. Same goes for images...more pixels are used to render each image, or pixels are sub-detail on my laptop, which makes it easier to see that detail without seeing RGB subpixel elements.) The differences in text sharpness, color noise, etc. are very easy to pick out on my laptop. Yellow swatches in the color checker card, for example, pop right out as having a more blotchy and rougher characteristic than the D7100. I can still see the same issue on my desktop, but it is not as pronounced.
I was using my laptop when I wrote my prior posts, so just to be fair, I wanted to make sure that context was shared...I was very, very clearly seeing differences in noise characteristic.