Viewfinder mechanism

Details Viewfinder mechanism Viewfinder mechanism

2005-04-12

2005-04-12

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C396S143000, C359S694000

Reexamination Certificate

active

06879446

ABSTRACT:
A viewfinder mechanism is provided for use with a zoom lens system. The viewfinder mechanism includes a set of pivoting levers driven by the linear motion of the zoom lens. In one particular embodiment, the pivoting levers drive the viewfinder lenses to approximate an apparent zoom corresponding to that performed by the zoom lens system.

REFERENCES:
patent: 2746350 (1956-05-01), Hopkins
patent: 3750548 (1973-08-01), Engelsmann et al.
patent: 5636062 (1997-06-01), Okuyama et al.
patent: 5864719 (1999-01-01), Hirohata
patent: 5886830 (1999-03-01), Oono et al.

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