Patent
1976-02-20
1978-03-14
Hix, L. T.
354187, 354199, G03B 1314
Patent
active
040793990
ABSTRACT:
A retractable viewfinder for a camera includes a control mechanism which provides compensation or correction for parallax as the objective lens of the camera is focused.
REFERENCES:
patent: 2355136 (1944-08-01), Bedford
patent: 2519195 (1950-08-01), Maurer
patent: 2549195 (1951-04-01), Hansen
patent: 2973700 (1961-03-01), Gebele
patent: 2995061 (1961-08-01), Briskin et al.
patent: 3174418 (1965-03-01), Faasch et al.
patent: 3921189 (1975-11-01), Gallistel
Hix L. T,.
Mathews Alan
Morrow J. A.
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