Definition of Field lens

1. Noun. The lens that is farthest from the eye in an optical device with more than one lens.

Generic synonyms: Lens, Lens System, Lense

Medical Definition of Field lens

1. The lower lens in an ocular, the lens nearest the object field. (05 Aug 1998)

Lexicographical Neighbors of Field Lens

field gun
field hand
field hands
field hockey
field hockey ball
field horsetail
field horsetails
field hospital
field hospitals
field house
field hut
field identification
field intensity
field ion microscope
field judge
field lens (current term)
field line
field lines
field lupine
field magnet
field maple
field marigold
field marshal
field marshals
field mice
field mint
field mouse
field mouse-ear
field mushroom
field mustard

Literary usage of Field lens

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

1. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"Achromatic combinations have been substituted in some cases for the field-lens, in others for the eye-lens, in others for both simple, lenses of the Ramsden ..."

2. The American Naturalist by American Society of Naturalists, Essex Institute (1877)
"Kellner brought the field-lens into the focus of the eye-lens, made the latter achromatic, and chose such curvatures as to remove the spherical aberration ..."

3. The Microscope: An Illustrated Monthly Designed to Popularize the Subject of (1892)
"They consist of two lenses: a large one nearest the object-glass, called the field lens, and a small one nearest the eye, called the eye lens. ..."

4. Elementary Treatise on Physics, Experimental and Applied by Adolphe Ganot (1893)
"It easily follows from this thru the image of the point d would, but for the interposition of the field-lens, be formed at D, which is so situated that CD ..."

5. Scientific Papers by John William Strutt Rayleigh (1900)
"The ideal position for the field-lens is at the focal plane of the object-glass. ... If the field-lens and the eye-lens have nearly the same focal length an ..."

6. The Microscope: An Introduction to Microscopic Methods and to Histology by Simon Henry Gage (1920)
"Remove the field-lens and focus the ocular micrometer lines by raising or ... For getting the independent magnification of the objective the field-lens of ..."

7. Light for Students by Edwin Edser (1920)
"F is termed the field-lens, since it enlarges the field of view ; E is termed the eye-lens. The two rays, shown as diverging from one extremity, A, ..."

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