The sepia color is a guess but here's one way to get a similar effect with
POV-Ray alone:

//camera and filter box location
#declare LCX = 0;
#declare LCY = 0;
#declare LCZ = -10;

camera {
  location <LCX,LCY,LCZ>
  angle    67
  look_at  <0,0,0>
}

#declare SepiaContrast = 1.25; //higher is brighter, lower is darker
// negative numbers can be used
#declare SepiaSaturation = 0.125; //higher is less (also allows more
original color)

box {-1,1 //large camera angles seem okay with this
 pigment {rgbft<.8,.4,.2,SepiaContrast,SepiaSaturation>}
 finish {ambient 1 diffuse 0} //ambient 1 or 0, seems to be no difference
  translate <LCX,LCY,LCZ> //same as camera location
}
/* important thing to remember is to use the same transformations on both
camera and box */


Steven Jones wrote:
> 
> Does anyone know how to make a picture with sepia hues (e.g. the very
> first scene in Titanic)?

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