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I would generate a clear shadow projected on a floor. I am wondering what is the essential node used to achieve this.

I am using these nodes enter image description here

and I get this image, I remark that the shadow is blurred (a lot of penumbra). I fix the focus at the floor and I try to change the Aperture (F/stop) to fit the depth of field. enter image description here

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  • $\begingroup$ Do you mean clear as in not blurry, ie sharp? $\endgroup$
    – Ray Mairlot
    Commented Feb 23, 2015 at 17:12
  • $\begingroup$ @RayMairlot, I edit my text. I mean it is blurred $\endgroup$
    – BetterEnglish
    Commented Feb 23, 2015 at 17:13
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    $\begingroup$ on sun, point and spot lamps, you can reduce the size to get sharp shadows $\endgroup$
    – Bithur
    Commented Feb 23, 2015 at 17:14
  • $\begingroup$ @Bithur, It is possible to reduce the penumbra? $\endgroup$
    – BetterEnglish
    Commented Feb 23, 2015 at 17:17
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    $\begingroup$ don't scale the object but use the light property "size" $\endgroup$
    – Bithur
    Commented Feb 23, 2015 at 17:22

2 Answers 2

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reduce the size property of your lamp.

enter image description here

enter image description here

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  • $\begingroup$ very nicely explained! $\endgroup$
    – user1853
    Commented Feb 24, 2015 at 3:30
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Making this size smaller makes the shadow sharper:

enter image description here

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