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Photoshop 7 + underexposed photo's

Discussion in 'Digital Photography & Imaging' started by dmcd, Oct 14, 2003.

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  1. dmcd

    dmcd Thread Starter

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    I have some lovely photo's that are too dark - can I lighten them in Adobe photoshop 7, without losing any quality??? how do I do this?
    thanks
     
  2. slipe

    slipe

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    First try Image>Adjustments>Auto levels. If that doesn’t work you can mess with the levels or curves manually. Curves is more versatile but Levels is a lot easier to start with. You can also go Image>Adjustments>Selective Color and reduce the black in the neutrals and black. Avoid the brightness tool as it is a dull tool.

    If one part like a face is too dark and the rest is OK your best bet is called contrast masking.
    Layer>Duplicate layer.
    Image>Adjustments>Desaturate.
    Image>Adjustments>Invert.
    Go to the layers palette and select “Overlay”
    Filter>Blur>Gausian Blur and select something between about 25 and 80.
    You can also reduce the transparency of the top layer to 80% if the effect is too strong.
     
  3. dmcd

    dmcd Thread Starter

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    thank you - your reply was very helpful and clear - I will try it out.
     
  4. dmcd

    dmcd Thread Starter

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    Could you just clarify - if I do the above, will it change the quality of the photo's? when I am printing them out?
    thanks
     
  5. jbcalg

    jbcalg

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    any changes you make will effect the 'quality' from the original ;)

    but if you only change lightness, hues, saturation, levels etc - you're ok
    - assuming the resolution/size was good in the first place
    - if you start with low settings on your camera, you've placed quality limits on the image from the start

    it's when you change/lower the dpi settings in the image submenu, then you'll get changes in the quality

    here's some basic steps and some online tutorial sites (which i haven't used yet)
     
  6. slipe

    slipe

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    Once you make any changes in Photoshop be sure to save in an uncompressed format like TIFF, PNG or PSD. Saving in JPG will deteriorate the quality – especially if you imported it as a JPG to start with.

    If you save in an uncompressed format you don’t deteriorate the quality noticeably with most things you do. Resizing is the thing that causes the most image degradation, and even that isn’t bad if you use bicubic.
     
  7. jbcalg

    jbcalg

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    good point
    i usually save in tiff until i get a final product (ie for the web or where ever)
    and always have the orig in a different folder than the working one - that way it's safe from my meddling fingers ;)
     
  8. dmcd

    dmcd Thread Starter

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    thank you all for your reply's!
     
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