The Red Filtered Landscape
A red filter is a filter that only allows red light to pass through
it. When we place a red filter over the landscape image only the
red light with the same wavelength as the filter reaches our eye. All
other wavelengths of light are absorbed by the filter.
We see that the light from the red trees is transmitted most effectively
to our eye through the red filter. If you were a scientist interested in
studying the type of tree that is represented in red, you might find it
useful to view this image with a red filter. By using the correct filter
you can study the features that interest you without being distracted by
the other items in the image.
When you have viewed all the filtered images
let's discuss what we have seen.
Blue Filtered Landscape
Filters Lesson
Discussion
