Imaging lens

Details Imaging lens Imaging lens

1997-01-27

1998-09-22

Epps, Georgia Y.

Optical: systems and elements

Lens

Multiple component lenses

359717, G02B 904

Patent

active

058123270

ABSTRACT:
An imaging lens provided with a first component lens (L.sub.1), which is a negative meniscus lens, whose convex surface has a large curvature and faces an object to be imaged, and with a second component lens (L.sub.2) that is a convex lens having a positive power. Moreover, as a whole, the imaging lens employs at least two aspherical surfaces. Thereby, various aberrations are corrected favorably. Further, this enables the effective use of plastic lenses. In addition to the provision of the first and second component lenses, the imaging lens satisfies the following configurational conditions:

REFERENCES:
patent: 5475536 (1995-12-01), Kikutani
patent: 5619380 (1997-04-01), Ogasawara et al.

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