| 摘要 |
A light measuring device for a single lens reflex camera provided with an auxiliary mirror for light measurement behind the movable mirror is disclosed. The reflection surface of the auxiliary mirror of said light measuring device is divided into a plurality of regions, and reflected light beams from the respective regions proceed in different directions from each other. Either one or both of the light beams reflected from one region and the beam reflected from the other region is or are selectively directed to a light sensitive element by a light beam selecting member.
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