Photometering apparatus

Details Photometering apparatus Photometering apparatus

1998-06-17

2000-01-11

Epps, Georgia

Optical: systems and elements

Lens

With support

396354, G02B 702, G03B 1912

Patent

active

060142731

ABSTRACT:
A photometering apparatus having a photometering lens and a light receiver to measure a finder screen of a single lens reflex camera, wherein the photometering lens and the light receiver are arranged so that the focusing screen is substantially conjugate with a light receiving surface of the light receiver, and a transparent optical element is inserted between the photometering lens and the light receiver.

REFERENCES:
patent: 4445764 (1984-05-01), Matsumura
patent: 4777506 (1988-10-01), Hiramatsu et al.
patent: 5585885 (1996-12-01), Muramatsu
patent: 5604554 (1997-02-01), Kirigaya
patent: 5835797 (1998-11-01), Okada

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