The Blue Filtered Landscape
A blue filter is a filter that only allows blue light to pass through
it. When we place a blue filter over the multicolored landscape image only
the blue light with the same wavelength as the filter reaches our eye.
All other wavelengths of light are absorbed by the filter.
We see here that the blue light from the sky is transmitted most
effectivly through the blue filter.
When you have viewed all the filtered images let's discuss what we have seen.