Why do my photos look like this?

Discussion in 'Photography Beginners' Forum' started by bonniescards07, May 20, 2008.

  1. bonniescards07

    bonniescards07 TPF Noob!

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    I shot this with a Canon EOS 30D at ISO 1600. . very low light.

    http://i32.tinypic.com/2pyov1u.jpg
    how do I get rid of the noise?? or how can i prevent it?

    Also, a lot of my pictures get blurry/out of focus when they're at 100%. How can i prevent this and get a clear image all the way through?
     
  2. JimmyO

    JimmyO TPF Noob!

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    Just about all non-pro cameras will look like this at that high iso, if you need to you can try programs like noise ninja or you can try blurring it out in photo shop.

    And your blurry pictures are probably from shutter soeeds that are to long.
     
  3. SBlanca

    SBlanca TPF Noob!

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    don't think it should be THAT noisy...dunno, i've taken photos at ISO 1600...dunno, take more pics, try with a tripod if you're not using one, post here again or contact someone who knows more
     
  4. amandakifer

    amandakifer TPF Noob!

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    the noise can get pretty bad at 1600 if you are not exposing the image correctly. You need to expose the photograph as far right on the histogram as possible without cutting off the highlights.

    Are you using auto or manual focus on your lens? Too slow shutter speed and a wide open aperture (with it focus where you don't want it to be) could all be reasons for the blurry images. Your images should be tack sharp at 100% but without seeing an example I don't know the cause.
     
  5. sultan

    sultan TPF Noob!

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    Turn down the ISO and use a faster lens. Try to speed up the shutter too if possible or use a tripod.
     
  6. bahandi

    bahandi TPF Noob!

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    wouldn't speeding up the shutter speed only increase the noise?

    myself, i would try tripod or extreme bracing, lower ISO, slower shutter speed, larger aperture... please correct me if i am wrong...
     
  7. *Mike*

    *Mike* TPF Noob!

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    Shutter speed has nothing to do with noise, so long as the image isn't under-exposed. Pushing the exposure in post will always create more noise than a properly exposed shot.

    Why did you shoot at f/7.1? You could have opened up the lens and dropped the ISO...
     
  8. PhotoDonkey

    PhotoDonkey TPF Noob!

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    So is it fair to say that higher ISO will produce grainier images? Is this also true when shooting film?
     
  9. *Mike*

    *Mike* TPF Noob!

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    Yes, and yes. However, it is more of a problem with digital - it's less attractive. Many film shooters will consider the grain when choosing film, and buy a specific film for the grain it produces in prints...
     
  10. bahandi

    bahandi TPF Noob!

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    noted... thanks
     
  11. croomaniac

    croomaniac TPF Noob!

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    F7.1 is for the DOF?
     
  12. *Mike*

    *Mike* TPF Noob!

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    Mmmm. I don't think that's the case here... he didn't need to stop down this much for DOF purposes. The image itself doesn't call for all that much depth, and he's not using a particularly long focal length that he needed to offset.

    Maybe he could chime back in... Was the f/7.1 an intentional choice born of necessity?
     

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