Definition of Eyepiece

1. Noun. Combination of lenses at the viewing end of optical instruments.

Exact synonyms: Ocular
Group relationships: Binoculars, Field Glasses, Opera Glasses, Light Microscope, Optical Telescope, Sights
Generic synonyms: Lens, Lens System, Lense
Terms within: Graticule, Reticle, Reticule



Definition of Eyepiece

1. n. The lens, or combination of lenses, at the eye end of a telescope or other optical instrument, through which the image formed by the mirror or object glass is viewed.

Definition of Eyepiece

1. Noun. The lens (or combination of lenses) at the eye end of a microscope or telescope by which the image is viewed. ¹

¹ Source: wiktionary.com

Definition of Eyepiece

1. the lens or lens group nearest the eye in an optical instrument [n -S]

Medical Definition of Eyepiece

1. The lens system used in an optical instrument for magnification of the image formed by the objective. (05 Aug 1998)

Eyepiece Pictures

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Lexicographical Neighbors of Eyepiece

eyeliners
eyely
eyemask
eyemasks
eyen
eyeopeners
eyeopening
eyepaint
eyepaints
eyepatch
eyepatched
eyepatches
eyephone
eyephones
eyepiece (current term)
eyepieces
eyepoint
eyepoints
eyepopper
eyepoppers
eyer
eyereach
eyering
eyerings
eyers
eyes
eyes-only
eyesalve
eyesalves

Literary usage of Eyepiece

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

1. The Principles and Practice of Surveying by Charles Blaney Breed, George Leonard Hosmer (1908)
"eyepiece. — The eyepiece of the ordinary transit telescope may be either of two kinds, ... An erecting eyepiece requires two more lenses than the inverting ..."

2. The Sun by Charles Augustus Young (1895)
"The Polarizing eyepiece. THE beat and light of the sun are so intense that peculiar instruments and methods are necessary for the observation of his surface ..."

3. The Encyclopaedia Britannica: “a” Dictionary of Arts, Sciences, Literature edited by Hugh Chisholm (1911)
"The effect of turning the pinion V is, of course, to displace the focus both of the solar and stellar spectrographs in the field of the eyepiece, ..."

4. Light: A Textbook for Students who Have Had One Year of Physics by Herbert Meredith Reese (1921)
"The simple eyepiece shown in the figure is not suitable for producing a large ... It is desirable that the eyepiece should come very close to the real image ..."

5. Edinburgh Medical Journal (1875)
"(a immersion), eyepiece 1. „ 3. Longitudinal fibres of elastic network of ... (a immersion), eyepiece 3. „ 5. Discs of primary bundles of muscular fibre of ..."

6. A Handbook of Physics Measurements by Ervin Sidney Ferry, Oscar William Silvey, George William Sherman, David Christie Duncan (1918)
"The eyepiece Micrometer. — This is a finely divided scale ruled on thin glass ... The eyepiece micrometer is standardized as follows: Adjust the position of ..."

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