Which One is Which? Sony NEX 5n vs Nikon D5100

by Chris Gampat on 01/31/2012

DXOMark rates camera sensors, and they’re considered the standard in the industry though many will argue their findings at times. When Sony sent me the NEX 5n, I looked around the internet to try to find information about it. Everyone had compared it to Canon’s 5D Mk II due to the video capabilities. However, I didn’t see much when it came to Nikon comparisons.

Let’s get one thing straight: Nikon’s D5100 and D7000 have essentially the same video modes and therefore also would almost never be usable for most pros. Though Chase Jarvis uses the D7000 to create some great video, I have to agree more with Andrew Reed’s findings in that the auto-exposure adjustment override absolutely kills me. I really highlighted this in my D5100 review. Indeed, the T3i is a much better camcorder as we concluded.

But this test is about the still image quality between the Sony NEX 5n vs the D5100. Sure one is a DSLR and one is a mirrorless camera, but they’re both APS-C sized sensors. So can you tell which photo came from which camera? Take a look at our informal test to see.

Gear Used

Sony NEX 5n with kit lens

Nikon D5100 with kit lens

Testing Procedures

This was not only a test of the each camera’s sensor capabilities, but also their metering abilities. I went out into the snow and found two subjects to photograph. I set the cameras to aperture priority, and then matched the ISO and aperture levels. Then I shot a photo with the NEX 5n and tried to match it very closely using the D5100. Amazingly the metering was different on both despite no lighting changes and the images being shot seconds away from one another.

This not only showed a difference in image quality, but also what the camera thinks would give the user the best image based on its own sensor and processor.

Both lenses were set to the same focal length through the test. Afterward, they were brought into Lightroom 4 Beta, set to 350 DPI and resized to 1MB for ease of use and load times on the web. The same level of clarity adjustments and sharpening were done to each photo.

We’d ask that you not look at the EXIF data for your findings and to please tell us why you think that one photo is from the Sony camera and the other is from Nikon.

Image Test 1

Photo A

Photo B

Image Test 2

Photo C

Photo D

What Do You Think?

We’d ask that you not look at the EXIF data for your findings and to please tell us why you think that one photo is from the Sony camera and the other is from Nikon.

Let us know in the comments below.

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  • http://www.facebook.com/profile.php?id=100001867066653 Spoorthy Vemula

    photos  DB and AC are certainly from the same cameras. I think A and C are from the nex 5n because they have a colder look to them ( have heard that sony has cooler jpegs). DB are the d5100′s because of the warmer colors. Also the shadows in DB are brighter which could be a result of the d5100′s extra d-range

  • J.C. Chang

    Wow. I was off (checked the answer key, i.e., the EXIF). Pretty impressed with the Sony results.

  • Daveaux41

    Looking at both images there tends to be blur in both second images. Not sure if this due to camera shake or bad back ground blur. I would say that both second images are from the Nikon and the first two are from the Sony. If the first ones are the Sony pics, they are very impressive. If the second ones are the Nikon pics, they are terrible. I would say maybe do those over again, they look out of focus. As stated above this could be due to camera shake or the camera not focusing correctly. 

  • Pingback: Which One is Which? Sony NEX 5n vs Nikon D5100 | shootplex

  • Noble_elm

    Photo A has more definition (both in the steel railing and the snow) while photo B  has blown out snow details.

  • Joe

    B and C look better than their counterparts 

    • Joe

      Correction – A & C. 

  • Joe

    I would try a couple more pictures in a controllable environment. Set both cameras exactly the same (ISO, white balance, …) And make sure there’s no camera shake and the focus point is on the same spot.

    • Anonymous

      I will consider it. But this is supposed to simulate real life experiences out in the field because that’s what this site is all about.

      *-Chris Gampat*
      Editor in Chief, ThePhoBlographer.com
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  • Misu604

    B and D from Sony. 

  • Benespera

    Hi,

    So which one is Sony Nex-5N picture and which one is Nikon D5100 ?
    The A picture is really impressive.

    Could the tester Chris Gampat give the answer ?

    Right now, i am hesitating between the Sony and the nikon camera to buy…

  • Benespera

    Hi,

    So which one is Sony Nex-5N picture and which one is Nikon D5100 ?
    The A picture is really impressive.

    Could the tester Chris Gampat give the answer ?

    Right now, i am hesitating between the Sony and the nikon camera to buy…

    • ChrisGampat

      B and D are Nikon I believe. I haven’t looked at these in a while though. Sorry, I actually thought I had given the answer.

      -Chris Gampat
      Editor in Chief
      The Phoblographer

      • Benespera

         Hi Chris,

        Thanks you for your  answer.

        I want to buy a new camera for my next holidays (in may in China) and right now i’m hesitating a lot to buy the Sony Nex-5N or the Nikon D5100 !
        I really like the picture details of the Sony and it’s body size, but i like the “luminosity” (the light/contrast) of the Nikon D5100.

        Which one do you advice for a big novice like me, that only used a compact camera and wants to change to have a better picture quality ?
        For you which one is the best picture quality for you the Sony or Nikon ?

        (in France, where i am, the Sony and the Nikon d5100 have the same price).

        Thanks per advance for you reply

        Benepsera

        • ChrisGampat

          What subject matter are you shooting and how serious do you want to get about photography? I can figure it out when I know that information.

          *-Chris Gampat*
          Editor in Chief, ThePhoBlographer.com
          Twitter.com/Phoblographer
          Facebook.com/ThePhoblographer

  • None-is

    Fuck you biiatch

  • Sarah

    SOO????? What’s the answer?

    • Sarah

      I currently own the 5n…am thinking of trading for 5100. I prefer photos A & C. Based on my experiences with the 5n, I’d assume A&C are from the Nikon. Am I right?

      • ChrisGampat

        Kindly read through the other comments.

        *-Chris Gampat*
        Editor in Chief, ThePhoBlographer.com
        Twitter.com/Phoblographer
        Facebook.com/ThePhoblographer

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