field lens


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

field lens

n.
The lens farthest from the eye in a compound eyepiece.

field′ lens`



n.
the lens in an eyepiece that is farthest from the eye and that deviates rays toward the center of the eye lens.
[1830–40]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.field lens - the lens that is farthest from the eye in an optical device with more than one lens
lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images
Mentioned in ?
References in periodicals archive ?
The XJ95x combines the widest focal length (8.6mm) of any field lens in the industry with a 95x zoom range that's longer at the tele end.
Designed for large venues and sporting events, the XA77x9.5 telephoto field lens is equipped with an optical stabilisation function, while its anti-fogging design minimises lens fogging and reduces downtime due to moisture.
Introduced in 1880, it consists of a cemented triplet field lens paired with a single-element biconvex or plano-convex eye lens.
*Macro lens is a flat field lens. What does this mean to us photographers?
Field lens was used to focus the laser beam and ensure a flat focal plane even in the off-axis position.
The field of optics can also be improved using computational photography, he said, describing how a "light field lens" mounted on an SLR could create a single image with multiple focus points.