Definition of Optical instrument

1. Noun. An instrument designed to aid vision.




Optical Instrument Pictures

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Lexicographical Neighbors of Optical Instrument

optical discs
optical disk
optical double
optical drive
optical fiber
optical fibers
optical fibre
optical flat
optical flint
optical fusion
optical illusion
optical illusions
optical image
optical index
optical instrument (current term)
optical iridectomy
optical isomer
optical isomerism
optical isomers
optical keratoplasty
optical lens
optical maser
optical media
optical microscope
optical noise
optical opacity
optical pachymeter
optical phenomenon
optical prism

Literary usage of Optical instrument

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"If the optical instrument is directed toward the object and focussed on some selected point M on the axis, this point of the object will be reproduced in ..."

2. Mirrors, Prisms and Lenses: A Text-book of Geometrical Optics by James Powell Cocke Southall (1918)
"Apparent Size of an Object seen Through an optical instrument.—Let the principal points of the optical instrument be designated by H, H' (Fig. ..."

3. The Theory of Optical Instruments by Edmund Taylor Whittaker (1907)
"The impossibility of a perfect optical instrument. Although it is possible to construct lens-systems satisfying the conditions which have been found, ..."

4. The Theory of Optical Instruments by Edmund Taylor Whittaker (1907)
"The impossibility of a perfect optical instrument. Although it is possible to construct lens-systems satisfying the conditions which have been found, ..."

5. Handbook of Physiology by William Dobinson Halliburton (1913)
"The Eye as an optical instrument. In a photographic camera images of external objects are thrown upon a screen at the back of a box, the interior of which ..."

6. A Text-book of Physiology for Medical Students and Physicians by William Henry Howell (1911)
"In studying the physiology of vision we may consider the eye, first, as an optical instrument physically adapted to form an image on the retina and provided ..."

7. Elementary Treatise on Physics, Experimental and Applied, for the Use of by Adolphe Ganot (1893)
"CHAPTER VI THE EYE CONSIDERED AS AN optical instrument 612. Structure of the human eye.—The eye is placed in a bony cavity called the orbit; ..."

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