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Anyone using Frischluft Lenscare DoF for After Effects?

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  • Anyone using Frischluft Lenscare DoF for After Effects?

    Great bit of software, but I am after tips.

    I'm rendering an interior scene of a kitchen. The camera trucks past a kettle/various objects on a counter in the foreground. In the background, there is the dining table and chairs.

    I want to initially have the background out of focus, but then throw the foreground out of focus. I understand that I need to animate the focal point to achieve this, but the problem I always encounter is that in order to throw the foreground well out of focus, I have to increase the radius parameter so much that the area of sharpness gets very very narrow, in effect making nearly all the image out of focus apart from a slither of the dining room table and chairs in the background.

    Do you get me?

    What tips can you give me to achieve quite extreme DOF effects, yet maintain a wide 'sharp' area?

    I am using VrayZDepth set at 5m, and my AE project is all 8bit (old After Effects!).

    I could, of course, split up the composition into foreground and background layers in AE, but I'd like to do this with just the Frischluft lenscare plugin if possible.
    Kind Regards,
    Richard Birket
    ----------------------------------->
    http://www.blinkimage.com

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  • #2
    Precomp your z-pass and in that comp use a curves effect to adjust the gradient... you then have full control over the distribution of foreground and background.
    Colour corrections to the z-pass in the same comp as the frischluft plugin have no effect on the depth the plugin reads.
    Many Thanks
    Patrick

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    • #3
      Be sneaky and colour correct your depth map to suit yourself - for it to work you might need to nest your zdepth in its own comp and cc in there to get frischluft to recognise the colour correction but you could grade different parts of your depth channel to make them more or less blurry to frischluft. If you find the grey value that gives you the sharpness you like, try and colour correct your zdepth so that you get more of that colour and thus less blurry sections. It might be slightly unintuitive but should work.

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      • #4
        Bah. Got caught doing shots for other folks while typing this. Great minds reform

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        • #5
          Thanks guys. Will give that a try.
          Kind Regards,
          Richard Birket
          ----------------------------------->
          http://www.blinkimage.com

          ----------------------------------->

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