Infrared-Green-UV instead of RGB

Discussion in 'Alternative Techniques & Photo Gallery' started by AluminumStudios, May 2, 2006.

  1. AluminumStudios

    AluminumStudios TPF Noob!

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    I've been wanting to experiment with this ever since I saw a color photo taken by NASA's Cassini orbiter (http://saturn.jpl.nasa.gov) of Saturn that was taken using infrared, green, and ultraviolet rather than red-green-blue.

    I took 3 photos (infrared, visible, ultraviolet) then mapped (a grayscale version) of the IR image to the red channel, green to green, and UV to the blue channel of an RGB color image:

    Source images
    [​IMG]


    Final composite
    [​IMG]

    I love the world beyond our visible range and trying to capture a wider range of radiation than our eyes can see in a photo. I'm really thrilled with how well this turned out. Especially since I wasn't extremely careful when doing it.

    I'm relatively new to this site but since it has an alternative techniques gallery I was anxious to post it!
     
  2. Unimaxium

    Unimaxium TPF Noob!

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    Wow, that's pretty cool. How exactly did you go about getting the UV and IR shots? I thought CCDs aren't very sensitive to UV light.

    PS: welcome to the site :)
     
  3. mysteryscribe

    mysteryscribe TPF Noob!

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    Super looking shots...
     
  4. ksmattfish

    ksmattfish Now 100% DC - not as cool as I once was, but still

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    Wild! I love it.
     
  5. terri

    terri Administrator Staff Member Supporting Member

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    It almost looks like what you'd get with color IR film developed E6 (as opposed to C41). ;) Very vibrant colors. Have you tried color IR film (Kodak EIR)? Since this look appeals to you, you might fall in love with it. To get different effects, you simply switch your color filters around: yellow, deep yellow, orange - and you can do it all on the same roll.

    Welcome to the forum! :)
     
  6. AluminumStudios

    AluminumStudios TPF Noob!

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    Thanks. I probably would like IR film if I ever worked with film. I've gotten into photography recently and work with digital. I'd like to learn about film and developing some day, but don't have the time or money to put into that right now.

    Here's another one that I did:
    [​IMG]

    [​IMG]
     
  7. Karalee

    Karalee hOtLiPs!

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    Crazy fabulous!!! These are awesome :thumbsup:
     
  8. Meysha

    Meysha still being picky Vicky

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    AMAZING!!! :shock:

    Can I ask you how you did these? mainly the IR and the UV.
     
  9. AluminumStudios

    AluminumStudios TPF Noob!

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    CCDs are sensitive to near infrared and UV, however that sensitivity is lower than visible light (in large part due to an infrared blocking filter behind the lense and in front of the CCD.)

    If you put on a filter that blocks visible light but passes UV or IR and do a long exposure you can take a photo with this invisible range of light.

    I have a little info. about digital infrared on my website http://www.aluminumstudios.com/photography/infrared/index.html and I just got into UV (although it works the same way as IR.)
     
  10. Kevin D Burns

    Kevin D Burns TPF Noob!

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    i agree very nice work.
     
  11. Meysha

    Meysha still being picky Vicky

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    Awesome!

    Your little 'study' on rainbows is amazing! and your theory on the IR band is actually quite logical but great to see it actually there.

    So how do you get the UV photos?
     
  12. Sir Duke

    Sir Duke TPF Noob!

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    I am taked by this process. I would like to try this. You have effected me.
     

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