Imaging lens system

Details Imaging lens system Imaging lens system

1993-01-04

1993-10-05

Sugarman, Scott J.

Optical: systems and elements

Lens

Including a nonspherical surface

359773, 359775, 359781, 359785, 359823, G02B 1514, G02B 1318

Patent

active

052510697

ABSTRACT:
An imaging lens system is disclosed which comprises a focusing lens and a correcting lens which has aspherical surfaces on both side. Usually, the focusing lens if located on the object side but the correcting lens may be disposed on the object side.

REFERENCES:
patent: 4776681 (1988-10-01), Moskovich
patent: 4865435 (1989-09-01), Cho

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