Super Vision and Ancient Squids

http://www.nytimes.com/2011/12/13/science/anomalocaris-fossil-reveals-eyes-with-16000-lenses.html?_r=1&ref=science

Paleontologists in Australia have found the fossilized eyes of a giant squid from 500 million years ago, and its eyes have 16,000 hexagonal lenses each. The squid would have had extraordinarily clear vision, vision only exceed modernly by the dragonfly-which has had up to 28,000 lenses in its eyes/