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Thread: Digital IR

  1. #821

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    Re: Digital IR

    Quote Originally Posted by tuco View Post
    Yes nice Peter.

    A few more feet away would be nice but my back is already against the blackberry bushes.


    Deck Decay
    by tuco, on Flickr

    M9, Zeiss 25mm, Hoya R72
    Nice!

  2. #822

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    Re: Digital IR

    Quote Originally Posted by jon.oman View Post
    Nice!
    Thanks again Jon.

  3. #823

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    Re: Digital IR

    Peter, Your starting point looks something like mine.

    Here is what an image of mine looks like using my D810 590nm camera profile in ACR. I adjusted the white balance in ACR.



    Once I go into Photoshop, I run an action to swap channels, and then fine tune the levels and brightness/contrast.



    Finally, if I want B&W, I add a layer.


  4. #824

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    Re: Digital IR

    Two photos from around my house.
    A weeping cedar Leica M8 50mm 093 filter
    The field across the street, Lyme Hill with Clouds, Leica M8 35mm R72 filter
    Click image for larger version. 

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    Click image for larger version. 

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  5. #825

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    Re: Digital IR

    Quote Originally Posted by Tom Monego View Post
    Two photos from around my house.
    A weeping cedar Leica M8 50mm 093 filter
    The field across the street, Lyme Hill with Clouds, Leica M8 35mm R72 filter


    Click image for larger version. 

Name:	Lyme Hill IR 2022.jpg 
Views:	20 
Size:	47.6 KB 
ID:	226606
    I like this one Tom, well done!

  6. #826
    Peter De Smidt's Avatar
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    Re: Digital IR

    Great examples, Jon. Thanks! I don't think I'm getting much IR effect.....
    “You often feel tired, not because you've done too much, but because you've done too little of what sparks a light in you.”
    ― Alexander Den Heijer, Nothing You Don't Already Know

  7. #827
    Unwitting Thread Killer Ari's Avatar
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    Re: Digital IR

    I now use a 720nm converted camera. I make mostly B&W images with it, but sometimes I want the weird contrast of white foliage and deep blue skies.
    Getting this has been difficult, with many processing attempts along the way that went nowhere, or were far too complicated.

    I found Rob Shea's website recently and tried his LR-only color swap LUT method, and I gotta say, I like the preliminary results.
    You create LUTs in PS, then the profiles can be used in LR. If, like me, you've been switching between the two often, there's no need to jump between them anymore.

    I didn't find my camera listed on his Infrared Profile Pack, so I sent him a RAW image. Later that day, I had a profile from Rob, and I could now set up the LR color swap.
    It's explained here: https://blog.robsheaphotography.com/...troom-lut.html
    and here: https://blog.robsheaphotography.com/...-profiles.html

    Here's a throwaway image I took yesterday just to see what I could get on a cool day with clear blue skies.



    Once I created and installed the profiles, I saw better separation of sky and foliage right away. With the Invert profiles, I saw much less blue cast on non-sky areas.
    I ended up making 4 profiles: Invert and Channel Mixer LUTs at -50 and -100 saturation.

    So with one click, the camera profile is applied and the color swap is done. Apply white balance.
    From there, LR is very good at making a sky selection, so I could tune up the blues. The work was about 5 clicks of the mouse, under a minute of processing.

    I was so excited I didn't even work on the grass or foliage.

    Highly recommended! Let me know if you try this method.
    Last edited by Ari; 19-Apr-2022 at 21:11.

  8. #828

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    Re: Digital IR

    Thanks for the info Ari. I'm always interested in a new way to do things. I'll look into it!

  9. #829
    Peter De Smidt's Avatar
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    Re: Digital IR

    That's great stuff, Ari! I'll definitely look into it.
    “You often feel tired, not because you've done too much, but because you've done too little of what sparks a light in you.”
    ― Alexander Den Heijer, Nothing You Don't Already Know

  10. #830
    Unwitting Thread Killer Ari's Avatar
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    Re: Digital IR

    Good luck, fellas. It took a few minutes to create the four LUT profiles.
    The accompanying video instructions are clearer and more up-to-date than the blog instructions.

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