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Sony alpha NEX 6 Dynamic Range (JPEG)

Our Dynamic Range measurement system involves shooting a calibrated Stouffer Step Wedge (13 stops total range) which is backlit using a daylight balanced lamp (98 CRI). A single shot of this produces a gray scale wedge from the camera's clipped white point down to black (example below). Each step of the scale is equivalent to 1/3 EV (a third of a stop), we select one step as 'middle gray' (defined as 50% luminance) and measure outwards to define the dynamic range. Hence there are 'two sides' to our results, the amount of shadow range (below middle gray) and the amount of highlight range (above middle gray).

To most people highlight range is the first thing they think about when talking about dynamic range, that is the amount of highlight detail above middle gray the camera can capture before it clips to white. Shadow range is more complicated; in our test the line on the graph stops as soon as the luminance value drops below our defined 'black point' (about 2% luminance) or the signal-to-noise ratio drops below a predefined value (where shadow detail would be swamped by noise), whichever comes first.

Note: this page features our interactive dynamic range comparison widget. The wedges below the graph are created by our measurement system from the values read from the step wedge, the red lines indicate approximate shadow and highlight range (the dotted line indicating middle gray).

The most important thing to note on this graph is the curve at the top of the highlight range. The gentleness of the curve illustrates the NEX-6's ability to render highlights with a pleasing curve to 100% brightness instead of clipping off. As you can see the 6's default tone curve is all but identical to the 5N as well as other recent Sony cameras. The 6's dynamic range performance is among the top of its class, especially compared to Micro Four Thirds.

Color modes

The NEX-6 has a range of color modes which have a relatively small effect on contrast - Vivid, Landscape and B&W all create images with slightly higher contrast for example, but with essentially the same highlight range. Portrait mode decreases the overall contrast which can be beneficial for creating smooth facial features without harsh shadows.

DRO settings

As illustrated by the chart, the D-Range Optimizer feature brightens shadows and midtones, with minimal effect on highlights.

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Sony Alpha NEX-6

Comments

Total comments: 8
kastaldi
By kastaldi (1 day ago)

I bought the RX100 and now I miss the viewfinder of my old P60. A movable screen would also be useful. What a pity...

Comment edited 1 minute after posting
0 upvotes
esad
By esad (2 days ago)

@dpreview.com: As you know, the performance of a camera depends very much on the quality of the lens. What lens did you use to test the NEX-6, please? I couldn´t find any hints in the article.

1 upvote
LJS
By LJS (1 week ago)

I personally do not agree about adding a touchscreen to the NEX line of cameras. I simply don't like touchscreen and I know a lot of people that feel the same way.

1 upvote
kreislauf
By kreislauf (4 days ago)

sure your do. sure you do.
but fact is, navigating is easier with a touchscreen.

0 upvotes
Gabriel Yeo
By Gabriel Yeo (4 weeks ago)

Sony continues without fail, to make ugly-looking cameras.

1 upvote
FRANCISCO ARAGAO
By FRANCISCO ARAGAO (3 weeks ago)

You are joking, right?

4 upvotes
nanajan
By nanajan (2 months ago)

Just want to know if Sony Nex-6 had a time and date feature. I have looked through all the materials and have not seen it.

0 upvotes
A V Cole
By A V Cole (2 months ago)

As it takes RAW files all of these details will be on the file along with shutter speed, aperture used etc.

0 upvotes
Total comments: 8