halo effect when greenscreening

1. markm
   Member

   

    I am getting a halo around people when filming them on greenscreens.  I am using full spectrum flourescent lighting.  Both the person and screen are lit well.  When i dim lights down I am still getting the halo.  This has been consitent on various cameras including xl1, vixia hf10, sony hdr-hc1 and sony hdr sr11.  Any help appreciated this is making my life miserable.

   Posted 2 years ago #

2. Tom Skowronski
   Staff

   

    how are you positioning the lights and how are you lighting the green screen? It should be lit seperate from the subject

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   Posted 2 years ago #

3. markm
   Member

   

   � two lights front hanging from ceiling�  in front�  two on sides behind person and one on ceiling behind person� 

   � 

   Lights with 4- 4' bulbs      /                                      \

                                                   Person

   Ã? 2- 2Ã? ' bulbs on   I                                         I

    2- 4' bulbs on screen                  __________

   screen _____________________________________________________

   � 

   � 

   Posted 2 years ago #

4. zoobie
   Member

   

    huh?

   lite the screen and subject one at a time.

   bring the person way out in front of the GS...the green you're seeing is often a combo of spill, cheap software, and bad lighting...

   maybe try using one as a back-light

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   Posted 2 years ago #

5. NormanWillis
   Member

   

   And how close are you to the green screen?  Industry standard is no closer than 7 feet, while at least 12 is much, much better.  The light bounces off of the screen and lights the subject, giving you a green halo.  The more distance you can put in between yourself and the screen, then better off you will be.

   Also, shirt colors like plum, mauve and magenta kill green.

   Posted 2 years ago #

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