camera lens
optical lens | a lens that focuses the image in a camera |
condenser
optical condenser | lens used to concentrate light on an object |
laser
optical maser | an acronym for light amplification by stimulated emission of radiation, an optical device that produces an intense monochromatic beam of coherent light |
| optical bench | apparatus for observation and measurement of optical phenomena |
| optical device | a device for producing or controlling light |
optical disk
optical disc | a disk coated with plastic that can store digital data as tiny pits etched in the surface, is read with a laser that scans the surface |
optical fiber
glass fiber
optical fibre
glass fibre | a very thin fiber made of glass that functions as a waveguide for light, used in bundles to transmit images |
| optical instrument | an instrument designed to aid vision |
optical pyrometer
pyroscope | a pyrometer that uses the color of the light emitted by a hot object |
| optical telescope | an astronomical telescope designed to collect and record light from cosmic sources |
photograph
photo
exposure
picture pic | a representation of a person or scene in the form of a print or transparent slide, recorded by a camera on light-sensitive material |
prism
optical prism | optical device having a triangular shape and made of glass or quartz, used to deviate a beam or invert an image |
optical density
transmission density
photographic density
absorbance | (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation |
fusion
optical fusion | the combining of images from the two eyes to form a single visual percept |
photo-offset printing
photo-offset | a method of offset printing using photomechanical plates |
| photo credit | a note acknowledging the source of a published photograph |
| photo finish | in general, any very close finish, in particular, a finish of a race in which the contestants are so close together that the winner must be determined from a photograph taken at the instant of finishing |
photo opportunity
photo op | an occasion that lends itself to (or is deliberately arranged for) taking photographs that provide favorable publicity for those who are photographed |
aberration
distortion
optical aberration | an optical phenomenon resulting from the failure of a lens or mirror to produce a good image |
| optical opacity | opacity to light |
| optical illusion | an optical phenomenon that results in a false or deceptive visual impression |
| optical phenomenon | a physical phenomenon related to or involving light |
| optical glass | clear homogeneous glass of known refractive index, used to make lenses |
optical crown
crown glass
optical crown glass | optical glass of low dispersion and low refractive index |
optical flint
flint glass | optical glass of high dispersion and high refractive index |
| optical | of or relating to or involving light or optics, optical supplies |
| ocular optic optical visual | relating to or using sight, ocular inspection, an optical illusion, visual powers, visual navigation |
ocular
optic
optical
opthalmic | of or relating to or resembling the eye, ocular muscles, an ocular organ, ocular diseases, the optic (or optical) axis of the eye, an ocular spot is a pigmented organ or part believed to be sensitive to light |