Definition that contains opt
- finder optical device that helps a user to find the target of interest
- prism optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image
- optics optical properties
- grating optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
- viewfinder optical device that helps a user to find the target of interest
- reflector optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
- diffusor optical device that distributes the light of a lamp evenly
- diffuser optical device that distributes the light of a lamp evenly
- optical crown optical glass of low dispersion and low refractive index
- diffraction grating optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum