Focus adjuster

Details Focus adjuster Focus adjuster

1991-08-21

1992-08-11

Hix, L. T.

35428912, 354266, 354486, G03B 1300

Patent

active

051383578

ABSTRACT:
A focus adjustor performing highly accurate focus adjustment to suit the photographer's intention with respect to a great variety of objects to be photographed.
The focus adjustor permits appropriate division of focus detection area, permits selection of an area division such as to reflect the photographer's intention and permits use of the result of previous focus adjustment for a subsequent focus adjustment.

REFERENCES:
patent: 4561749 (1985-12-01), Utagawa
patent: 4636624 (1987-01-01), Ishida et al.
patent: 4687917 (1987-08-01), Kusaka et al.
patent: 4812869 (1989-03-01), Akashi et al.
patent: 4851657 (1989-07-01), Taniguchi et al.

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