Re: converting vga to black and white

From: Dani (tictactictac_at_walla.co.il)
Date: 12/23/04 

Date: 23 Dec 2004 07:47:20 -0800

> Programmer Dude is confused -- white is equal parts of red, green,
and
> blue. But the human eye is not equally sensitive to all colors, so
> green appears brighter than red which in turn appears brighter than
> blue. So, when converting an RGB value to grayscale, rather than
using
> the obvious 1/3 R + 1/3 G + 1/3 B, it's traditional to use instead
> .30 R + .59 G + .11 B.

so wouldn't that mean that applying an electronic component on each of
the vga color pins that has the effect of scaling as specified above
each color would result in a black and white signal? is there such an
adapter available commercially?