Large-aperture wide-angle lens system for photographic cameras

Details Large-aperture wide-angle lens system for photographic cameras Large-aperture wide-angle lens system for photographic cameras

1978-03-08

1980-07-01

Sacher, Paul A.

350207, G02B 964

Patent

active

042103886

ABSTRACT:
A large-aperture wide-angle lens system for photographic cameras with corrected flare due to coma of marginal pencil comprising a flare stop arranged in the vicinity of an intersecting point between the maximum aperture ray of paraxial pencil and the outermost ray of offaxial pencil directing to the marginal portion of image.

REFERENCES:
patent: 1764870 (1930-06-01), Hartinger
patent: 2894427 (1959-07-01), Sabater
patent: 3843235 (1974-10-01), Mino et al.
patent: 3970366 (1976-07-01), Sekiguchi

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