Photometric device for single-lens reflex camera

Details Photometric device for single-lens reflex camera Photometric device for single-lens reflex camera

1982-03-15

1984-06-12

Adams, Russell E.

G03B 700

Patent

active

044538138

ABSTRACT:
The disclosed photometric device measures light from an image formed on a focal plane and permits alterations in the portion of light distribution measured. The device has a hood at least partially disposed before a light receiving element which receives a light from the image formed on the focal plane. The light distribution measurement can be changed by moving the hood back and forth relative to the light receiving element.

REFERENCES:
patent: 3185052 (1965-05-01), Baron
patent: 3205796 (1965-09-01), Lieser
patent: 4110765 (1978-08-01), Miyata et al.

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