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Re: HELP with Chroma Key!

Posted by nobody special on 01/23/06 21:17

I won't say return the paint you got, until I know what it IS... if
it's a flat latex with a really saturated color, it could well be fine.
Got a picture on a web site somewhere, or the URL of the maker? What
brand? I'm trying to save you money; the Rosco or Ultimatte is "the
shiznit" for chromakey, but it may be expensive overkill if "Gordon's
Beauty Boat and Snowmobile Paint" works ok. Without knowing or seeing,
I can't tell. I am however skeptical of using aerosol cans for CK -
I've never seen one like that: typically the CK paint is too thick with
pigment to flow well in an airbrush or gun, and thinning it for
spraying cancels out it's special properties. Who exactly is the guy
that tried to sell you this spray paint, what kind of store was it, and
what's his credentials? I want names!!!:-)

Whatever else, DO NOT FAIL to PRIME the surface FIRST. Or even the
expensive stuff will dissappoint. To recap, latex water based KILZ
brand flat primer is what I swear by.

As to gallons versus quarts, a gallon, carefully and economically
applied, will probably cover the vinyl I suggested with plenty to
spare, and you want to save that extra paint, seal it tightly, for
later touch-ups or to paint a prop item that you will need to make
"invisible" some time in the future. A box about the height and width
of a piano bench would be useful right away for many things, (only
paint the sides that face the camera, don't waste expensive paint) as
would a stiff, vertical panel about 2 feet wide and high as the set
top, to use as a doorway or column edge to walk in from behind. The
rest of the edges you fill with masks or garbage mattes in post.

Also save out a one-foot square swatch of the paint you choose, (on
white foamcore) put it away somewhere safe and dark, so you can take
that to the hardware store paint computer in the future and match it
with the cheaper stuff, or take it shopping when looking for other
green items.

 

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