An optical instrument either processes light waves to enhance an image for viewing, or analyzes light waves (or photons) to determine one of a number of characteristic properties.
Read more about Optical Instrument: Image Enhancement, Analysis, Other Optical Devices
Famous quotes containing the words optical and/or instrument:
“There is an optical illusion about every person we meet.”
—Ralph Waldo Emerson (18031882)
“The great instrument of moral good is the imagination.”
—Percy Bysshe Shelley (17921822)