an optical device for focussing a camera or other instrument automatically

an optical device for focussing a camera or other instrument automatically

an optical device for focussing a camera or other instrument automatically

an optical device for focussing a camera or other instrument automatically

a branch of the ophthalmic artery; enters the eyeball with the optic nerve

a branch of the ophthalmic artery; enters the eyeball with the optic nerve

a branch of the ophthalmic artery; enters the eyeball with the optic nerve

a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set

a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set

a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set