Sunlight filtering through chaparral -- in this case red shanks -- can also produce lensed images of an eclipse, but the focal length is shorter and the images smaller than those produced by a tree. May 20, 2012.
Sunlight filtering through chaparral -- in this case red shanks -- can also produce lensed images of an eclipse, but the focal length is shorter and the images smaller than those produced by a tree. May 20, 2012.