Apparatus for adjusting the position of a light sensing element

Details Apparatus for adjusting the position of a light sensing element Apparatus for adjusting the position of a light sensing element

1985-02-13

1986-10-07

Adams, Russell E.

354288, G03B 7099

Patent

active

046156020

ABSTRACT:
An apparatus for adjusting the position of a light sensing element in a single lens reflex camera which carries out a partial light measurement by forming an image on the surface of the light sensing element with a light beam coming from a certain determined range on the focusing plate of a view finder by means of a condenser lens. The condenser lens and the light sensing element holding member are supported by a pentagonal prism holder and that the holding member is provided with a device for adjusting the position in such a manner that by adjusting the position of the light sensing element along two directions the light sensing element is made to exactly correspond to the light measuring range on the focusing plate.

REFERENCES:
patent: 4341448 (1982-07-01), Toyoda et al.
patent: 4391513 (1983-07-01), Fujiki
patent: 4427277 (1984-01-01), Haraguchi
patent: 4440479 (1984-04-01), Nemoto
patent: 4445765 (1984-05-01), Yamamoto

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