Scientist solves centuries-old problem that will lead to cheaper, sharper lenses TechSpot

Camera lenses and other optical systems are made from spherical surfaces, largely because the shape is easier to form than non-spherical curved surfaces. The issue that arises with this is that light rays which hit the surface off-center are refracted or reflected more or less than those that hit at...





from TechSpot https://ift.tt/2ZE8dgW