plural of optical drive

(physics) A device that employs a focused laser beam to trap, manipulate and image very small particles

plural of optical telescope

The white, cup-like area in the center of the optic disc

Synonym of light microscope

An instrument, used both for recreational and scientific purposes, which provides a magnified view of distant objects by collecting and focusing light by means of mirrors and/or optical lenses.

plural of optic cup

plural of optical microscope

plural of optical switch

The optical axis. / (crystallography, mineralogy) The direction in which a ray of light passing through a crystal does not suffer double refraction.