| 摘要 |
Photographic exposure parameter indicating and setting accessory mechanism for a lens shutter housing, e.g. of a professional or studio camera, having a manually operatable exposure parameter setting device, e.g. an exposure time setting device, which in one embodiment contemplates a carrier directly mountable, e.g. removably, in simple manner on the housing, a guide plate mounted, e.g. releasably, on the carrier and a pointer lever pivotally and relatively movably guidedly mounted on the plate and having a pointer for pointing to a setting scale, e.g. time scale, on the plate and a connecting portion for articulated, e.g. removable, connection of the lever to the, e.g. time setting, device, and which in another embodiment further contemplates a slide slidably guided on and movable relative to the carrier and having a setting scale, e.g. diaphragm aperture scale, to which a pointer on the carrier points and a connecting portion for articulated, e.g. removable, connection of the slide to another such device, e.g. an exposure diaphragm aperture setting device, also provided on the housing, whereby upon mounting the carrier on the housing and connecting the lever connecting portion to one such device, or both the lever and slide connecting portions to both such devices respectively, the setting and indicating of such parameters may be correspondingly accomplished in simplified manner by movement of the lever and/or slide manually by the photographer during preparatory work for taking a photograph.
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