Zoom lens having plastic lens in first lens group

Details Zoom lens having plastic lens in first lens group Zoom lens having plastic lens in first lens group

1998-05-08

2000-03-14

Epps, Georgia

Optical: systems and elements

Lens

With variable magnification

359686, 359689, G02B 1514

Patent

active

060380810

ABSTRACT:
A zoom lens having a plurality of lens groups, includes: a first lens group including a plurality of lenses, provided closest to an object side, wherein a first lens made of a plastic lens having a positive refracting power is located closest to the object side among the plurality of lenses in the first lens group.

REFERENCES:
patent: 4582399 (1986-04-01), Mihara
patent: 5546231 (1996-08-01), Sato et al.

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