Zoom lens

Details Zoom lens Zoom lens

1996-08-05

1998-08-11

Metjahic, Safet

Photography

Variable frame masking

G03B 1700

Patent

active

057940908

ABSTRACT:
For a camera of the kind permitting change-over of the aspect ratio of its image pickup area from one aspect ratio to another, an optical system and an apparatus using the optical system are arranged to be capable of preventing the angle of view of a zoom lens from being changed by the change-over of the aspect ratio.

REFERENCES:
patent: 4038673 (1977-07-01), Schroder
patent: 4110005 (1978-08-01), Bohm et al.
patent: 4225219 (1980-09-01), Shimiza
patent: 4264151 (1981-04-01), Okano
patent: 4482228 (1984-11-01), Fujita
patent: 4814811 (1989-03-01), Saito et al.
patent: 4840466 (1989-06-01), Yamada et al.
patent: 4843475 (1989-06-01), Imai
patent: 4913537 (1990-04-01), Takase
patent: 4953029 (1990-08-01), Morimoto et al.
patent: 5091802 (1992-02-01), Imaoka et al.
patent: 5136431 (1992-08-01), Terasawa et al.
patent: 5204779 (1993-04-01), Nakata et al.
patent: 5227824 (1993-07-01), Yoshida
patent: 5414563 (1995-05-01), Katoh et al.
patent: 5420632 (1995-05-01), Yamagiwa
patent: 5574523 (1996-11-01), Nakayama et al.

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