Only if the filters are perfect, which they are not. The blue and green sensors will see some red light, but at a much lower intensity than the red sensors. The Bayer algorithm is to some degree able to use this data in building the image.
DagT > > Fra: mishka <[EMAIL PROTECTED]> > > my example was about camera with a red filter on. in that case, > you do lose 2/3 of data (as all green and blue pixels will be just > black). > or, equivalently, taking only red channel in photoshop. > of course, this is a border case. > > mishka > > > This of course doesn't mean that taking a B&W photo on a 6MP camera > > results in a 2MP file. You still record all channels and the camera > > creates a 6MP file. > > > >