Need Some Help

Discussion in 'Digital Discussion & Q&A' started by Sachphotography, Dec 28, 2009.

  1. Sachphotography

    Sachphotography TPF Noob!

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    Ok so it seems I have noticed something lately. When I take a shot and convert to black and white. It seems like my blacks are patchy and not a smooth black. I have tried many different things but do not know how to correct this issue. The dark areas of the photos rather than being a nice clean black are all dirty looking and look bad.

    Any ideas?
     
  2. Cooler_King

    Cooler_King TPF Noob!

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    A red filter can really emphasise black and white contrast. Have you tried that?

    Why are you converting, don't you adjust the settings to shoot black and white from the beginning.

    Photo editing software could easily bring up the dark shadows to provide a more even colour.

    I am new here so please excuse me if I am telling you stuff you know.
     
  3. Shockey

    Shockey TPF Noob!

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    Levels adjustment, increase your black point.
     
  4. Dao

    Dao No longer a newbie, moving up!

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  5. GFreg

    GFreg TPF Noob!

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    Just be careful that you don't lose too much detail in the shadows.
     
  6. KmH

    KmH Helping photographers learn to fish Supporting Member

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    What format do you capture in, what B&W conversion method/software do you use, and at what bit-depth do you edit?
     
  7. Sachphotography

    Sachphotography TPF Noob!

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    Ok... I shoot Raw and convert with Nik Software Silver effects pro normaly. Sometimes I simply desaturate the image.
    As far as shooting B&W from the get go I cannot. When shooting in RAw you are not able to use all the fancy settings such as BW or VIVID.

    This is an image that has the issue I am speaking of. If you look at the darker parts that should be crisp black you will see it is all wierd...

    http://www.thephotoforum.com/forum/landscape-cityscape/186179-portrait-life.html
     
  8. Garbz

    Garbz No longer a newbie, moving up!

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    Two things spring to mind. One is posterisation due to poor / incorrect / too much / just out of latitude post processing adjustments. And another is incorrect RAW conversion.

    Does it still happen if you shoot in JPEG?
    Does an un-edited image still look like this?

    I know for instance the Camera Standard profile within Adobe CameraRAW / Lightroom has a tendency to clobber blacks on many Nikon cameras, maybe it's a result of the RAW conversion software.
     
  9. Sachphotography

    Sachphotography TPF Noob!

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    I use Photoshop for all my editting.... I have not shot Jpeg really at all. I could try.
     
  10. Garbz

    Garbz No longer a newbie, moving up!

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    What camera profile are you using in Adobe CamerRAW when you open the RAW files?
     
  11. Sachphotography

    Sachphotography TPF Noob!

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    To be honest.... I have no idea. I have never messed with that. I open the files in photoshop and the raw software pops up. I usually do not do that much stuff in raw but I have not set up a camera profile.
     
  12. Garbz

    Garbz No longer a newbie, moving up!

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    It will have picked one for you. Go through the tabs in the CameraRAW dialogue and find the one that has your profile (it's called Camera Calibration), and try changing to another profile.

    Another thing to do is in CameraRAW have a look at what the black level is set at on the basic tab. This is base line below which everything is rendered black. It is not a smooth fade to black as much as it is a cut-off limit, and I have in the past had posterisation issues when I raised this black level too high rather than opening the image and then adjusting it using curves.
     

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