What Causes Pixelated Clouds?? Pic Included.

Discussion in 'Photography Beginners' Forum' started by Enem178, Jan 21, 2009.

  1. Enem178

    Enem178 TPF Noob!

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    This doesn't happen to all my photo's but i've seen it a couple of times but only in day time shoots. This is straight out the camera with no pp. Thanks for the help.


    [​IMG]
     
  2. Samanax

    Samanax TPF Noob!

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    What is the shot info (exif)?

    Was this shot in JPEG or RAW?

    If JPEG, what resolution.quality?
     
  3. smithphoto

    smithphoto TPF Noob!

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    Man, It's been forever since I've been here. Any whoo...

    I've had this problem before and it always came from three things

    1. Low resolution images to begin with
    2. The conversion settings from RAW to JPG
    3. I've been told that some cameras can try to auto correct for sensor dust, this can also cause it apparently. I would recomend a good professional cleaning, this will be usefull reguardless of being an issue or not.

    Good luck with it none the less. Take this information with a grain of salt. I'm still a noob. Ha
     
  4. Jon0807

    Jon0807 TPF Noob!

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    looks like this was shot in lower resolution?
     
  5. Enem178

    Enem178 TPF Noob!

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    1/125 f/10.0 iso 200 focal length 135mm,

    Shot in jpeg format and the quality was small.
     
  6. Samanax

    Samanax TPF Noob!

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    That's the problem right there. Low resolution.
     
  7. Enem178

    Enem178 TPF Noob!

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    O ok, It might sound stupid but I though all I was changing was the size of the pix and not the quality. I've been shooting EVERYTHING in small since I bought the camera just because the pix are easier to email. So I should be shooting in the largest format always?
     
  8. Jaszek

    Jaszek No longer a newbie, moving up!

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    Just shoot in large and than when you e-mail them you can always resize it.
     
  9. Enem178

    Enem178 TPF Noob!

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    Will do, thanks..
     
  10. ANDS!

    ANDS! No longer a newbie, moving up!

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    That cloud is not pixelated. You're just seeing color banding, which you will see every now and then especially when youre going from light to dark areas of the same color.

    Also "small" is not a quality setting. It is a resolution setting. Basic/Fine are "quality" settings.
     
  11. Enem178

    Enem178 TPF Noob!

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    So shooting small/fine is the same quality as large/fine and if I dont plan on printing the image ill be good shooting small/fine?? If I go to print out a pic which has color banding, it wont show up in print will it?
     
  12. ANDS!

    ANDS! No longer a newbie, moving up!

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    You'll have more detail in the Large/Fine image, and some will qualify that as having superior "quality" than the Small/Fine image, but the compression algorithm used should be the same on both - just different resolutions.

    And, and I'm no expert, banding can be a mechincal condition (meaning on your display) and an image issue (meaning in the data of the file). I can see color banding on the above photo, but we both might have **** for monitors. Only way you can know is to do a print. Since banding is a TONAL issue, it should show up if you print in grayscale (and thus save your precious color ink).
     

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