Representation of depth of field in camera

Details Representation of depth of field in camera Representation of depth of field in camera

1989-03-16

1991-05-28

Hix, L. T.

354465, 3542891, G03B 300, G03B 1318, G03B 1718

Patent

active

050198521

ABSTRACT:
In representing a depth of field in a camera, the depth of field is displayed on the basis of the magnitude of a field depth feeling Df, which corresponds to human feeling and sensitivity. The field depth feeling Df is obtained by processing at least one of a calculated depth of field, an object distance, a lens hyper-focal length, a diameter of a permissible circle of confusion, a lens aperture value and a lens focal length.

REFERENCES:
patent: 2949836 (1960-08-01), Baab
patent: 3076396 (1963-02-01), Mahn
patent: 4855782 (1989-08-01), Kobayashi et al.
patent: 4887108 (1989-11-01), Taniguchi et al.

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