Photographic lens and photographing apparatus having the same

Details Photographic lens and photographing apparatus having the same Photographic lens and photographing apparatus having the same

1998-07-20

2000-05-30

Epps, Georgia

Optical: systems and elements

Lens

Multiple component lenses

359758, 359796, G02B 914, G02B 962, G02B 900

Patent

active

060697512

ABSTRACT:
A photographic apparatus includes, in order from an object side to an image side, a positive first lens of meniscus shape convex toward the object side made from plastic, a negative second lens of bi-concave shape made from plastic, a positive third lens of bi-convex shape made from glass material, and a stop, wherein the following conditions are satisfied:

REFERENCES:
patent: 3649103 (1972-03-01), Kamimura
patent: 4787724 (1988-11-01), Kudo et al.
patent: 4892398 (1990-01-01), Kudo et al.
patent: 5499142 (1996-03-01), Ohshita
patent: 5572369 (1996-11-01), Estelle et al.
patent: 5606461 (1997-02-01), Ohshita
patent: 5636065 (1997-06-01), Takato
patent: 5696621 (1997-12-01), Nakanishi et al.

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