Light measuring device for a camera

Details Light measuring device for a camera Light measuring device for a camera

1986-09-30

1988-05-17

Adams, Russell E.

354406, 354476, G03B 300, G03B 7099

Patent

active

047454261

ABSTRACT:
A light measuring apparatus for an exposure control for a camera including a photoelectric converter which photoelectrically converts a portion of a light beam impinging on a photoelectric conversion portion of a focus detection device, through a taking lens. The remainder of the light beam is transmitted into the optical path of the light beam so that light measuring for an exposure control is performed from the bundle of light proceeding toward the focus detection device.

REFERENCES:
patent: 4526458 (1985-07-01), Kawamura et al.
patent: 4531835 (1985-07-01), Oinoue

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