What is the zoom ratio of the human eye? It is much easier to create a single small fixed lens than it is to create a zoom lens with many moving elements. John ----- Original Message ----- > Considering a human eye which is just a 2.5 cm diameter device, using a > high resolution sensitive region of only 1.5 mm, simple tiny optics > largely made out of water and jelly ,coupled with motor control and > processing ressources from just a fraction of the total brain volume, > manages to do better than high definition, we must clearly be doing > something wrong... ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.