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  1. #1
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    mrpbnm's Avatar

    What did I do wrong with D600?

    What did I do wrong with D600?
    What did I do wrong with D600?-dsc_2454.jpgWhat did I do wrong with D600?-2454-data.jpg

    I took a bunch of photos at grandson's Tae Kwon Do testing. I thought ISO 3200 would get something decent. But all I got was dark grainy photos. I shot RAW and JPEG but I don't know how to fix the RAW. Were my expectations too high for D600? Would anyone be interested in tweaking the RAW and telling me what to do to salvage the rest of the shots, if that is possible. I can give you the RAW via dropbox.
    Thanks,
    Phil
    P.S. I think I see oil spots on left side of photo too...


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    • #2
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      mikew's Avatar

      Re: What did I do wrong with D600?

      What did I do wrong with D600?
      Phil not skilled enough yet to do it but if that's a jpeg i would guess you have all you need in the raw files.just a level tweak improves it,

      What did I do wrong with D600?-54975d1381078690-what-did-i-do-wrong-d600-dsc_245m4.jpg

      What did I do wrong with D600?-54975d1381078690-what-did-i-do-wrong-d600-dsc_2454.jpg

      There is more to do and you may struggle a bit with that one because of the different skin tones but i dont think all is lost.
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    • #3
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      480sparky's Avatar

      Re: What did I do wrong with D600?

      Are you checking the histogram while shooting? That's your best option for obtaining optimum exposure.

      Looks like dust spots to me.
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    • #4
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      Marcel's Avatar

      Re: What did I do wrong with D600?

      what you did wrong was forget that your meter is trying to get the picture you take to 18% grey. In this example, the subject (including walls) are white. The meter, wanting the white to go grey underexposed the scene. For some scenes (beach, snow) you've got to manually increase the exposure to match the subject's or picture's overall color. In this case, using the exposure increase button and go +.7 or +1.0 would have gotten you a result that would have been more acceptable. The pictures still can be salvaged, but at the expense of introducing more noise and grain...
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    • #5
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      WayneF's Avatar

      Re: What did I do wrong with D600?

      Marcel is right, it is just the normal expected underexposure of white scenes. You have to expect this, and apply at least +1 EV compensation, maybe more sometimes. Watch the result and histogram in the camera at the time, so you can correct it then. RAW would be the same, but it also does not have White Balance in it yet, which you have to add.

      See How light meters work . Good stuff to know and expect.
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      Wayne

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    • #6
      Senior Member
      mrpbnm's Avatar

      Re: What did I do wrong with D600?

      Thanks everyone for quick replies. I was not checking the histogram while shooting. A levels adjust in Photoshop does improve the photo. But I was hoping Adobe camera raw could do better and reduce the graininess... If so, I'd really like to see ACR can do.

      Marcel many thanks for your explanation of how to get better exposure with mostly white subject & background. I'll try that for sure.

      I thought the camera automatically cleaned the sensor, so any spots were probably the dreaded oil spot issue I've heard about. I guess I need to read the guide and try to clean it manually. Thanks sparky.
      I just read Wayne's reply. Thanks for the link. Going to read it now.
      Phil
      Last edited by mrpbnm; 10-06-2013 at 06:51 PM.

    • #7
      Senior Member
      STM's Avatar

      Re: What did I do wrong with D600?

      This looks to me like a normal occurrence when photographing a scene where white predominates. Regardless of how "sophisticated" the metering, it will still try go expose for Zone V (for you Zone System fans out there) or 18% Neutral Gray. If there were more areas of dark in the scene, it may not have been as underexposed. This image, on the other hand, is maybe a half stop underexposed, very easily remedied by any graphics program. Even applying D-Lighting to the image while still in the camera should fix it .

      It also looks like the incorrect white balance was used, I detect a noticeable reddish-yellow cast. Below I have made all the necessary corrections.


      Last edited by STM; 10-06-2013 at 07:34 PM.
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    • #8
      Senior Member
      mrpbnm's Avatar

      Re: What did I do wrong with D600?

      Quote Originally Posted by STM View Post
      ...

      It also looks like the incorrect white balance was used, I detect a noticeable reddish-yellow cast. Below I have made all the necessary corrections.
      Thanks STM. Do you mind telling me how you did it?

    • #9
      Senior Member
      WayneF's Avatar

      Re: What did I do wrong with D600?

      You said you had Adobe Levels, which is a great tool. For exposure, lower the White Point (at 255) to be where the graph data begins, at about 170. That brightens it, same as more exposure in camera would have done (but with more noise that more camera exposure could have removed). Technically, that says, "I want this new spot at 170 to become 255, and to be as bright as it is possible to be".)

      Then, if you want it even brighter, then second, also lower the MID Point (center slider) from 1.0 to maybe 1.3 - adjusted by eye to preference (this is gamma, but it brightens low and middle range without clipping high end). These are Standard tools, everyone ought to be intimate with these.

      Then for White Balance, Levels has three Eyedropper tools, Black, White, and the center tool is GRAY. It is your White Balance tool (if in Levels - ACR has its own similar ways). Select that center Gray eyedropper, and then click something in the image that should be actual White. I would suggest the white uniforms, in a fairly bright spot on them. That removes any color cast there, to make that clicked spot be actually white. It also removes the same color cast from the entire image. Clicking different spots can give slightly different results, but the white uniform is a good bet.

      Or, you can click the walls, which will make that clicked spot be white (or neutral gray, no color cast), but I fear they were not white or gray to begin with. Looks like they ought to be more beige or a bit yellow, but if you want it really white, that would do it (but I think the uniforms will have a slight blue cast then).

      There are often a few options to try.
      See White Balance Correction, with or without Raw
      Last edited by WayneF; 10-06-2013 at 08:33 PM.
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      Flash and Camera Fundamentals We Should Know

    • #10
      Senior Member
      mrpbnm's Avatar

      Re: What did I do wrong with D600?

      Great info. Thanks again!
      Phil





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