| 摘要 |
A photographic camera wherein the needle of the light meter is scanned to serve as a means for determining the setting of the shutter and diaphragm units during operation in daylight. A resistor which is variable by the focusing member of the camera is connected in circuit with the light meter when the camera is used for operation in artificial light. The connection of the variable resistor into the light meter circuit, in addition to or as a substitute for a photosensitive receiver, can take place in response to attachment of a source of artificial light or automatically when the intensity of scene light is below a predetermined value. |
