Light intercepting frame of lens

Details Light intercepting frame of lens Light intercepting frame of lens

1990-02-06

1994-08-30

Ben, Loha

Optical: systems and elements

Lens

With support

359601, 359614, G02B 702, G02B 2700

Patent

active

053433319

ABSTRACT:
A light intercepting frame which has an opening which permits only usable light (luminous flux) to pass therethrough and which is provided on a final lens surface of a final lens of a zoom lens.

REFERENCES:
patent: 1950166 (1934-03-01), Durholz
patent: 3809459 (1974-05-01), Wakamiya et al.
patent: 3980398 (1976-09-01), Revy von Belvard
patent: 3995296 (1976-11-01), Nakano
patent: 4152064 (1979-05-01), Hashimoto et al.
patent: 4183661 (1980-01-01), Ohkura
patent: 4226505 (1980-10-01), Hashimoto et al.
patent: 4461547 (1984-07-01), Ikari et al.
patent: 4731629 (1988-03-01), Aoshima et al.
patent: 4759618 (1988-07-01), Kamata
patent: 4911542 (1990-03-01), Nishio et al.
patent: 4964697 (1990-10-01), Fuziwara
patent: 4992819 (1991-02-01), Ohtaka et al.
patent: 5033819 (1991-07-01), Tanaka
patent: 5034762 (1991-07-01), Kohmoto
patent: 5170294 (1992-12-01), Haraguchi et al.
English Language Translation of JP 62-31820.
English Language Translation of JP 57-187411.
English Language Translation of JP 62-65010.
K. Mutze, ABC of Optics, 1961, p. 143, Right Column, Paragraph R. An English Translation of the cited Passage is Included.
English Translation of the German Office Action.
United Kingdom Search Report.
English abstract of Japanese Patent No. 56066809.

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