Camera capable of moving lens during exposure
专利汇可以提供Camera capable of moving lens during exposure专利检索，专利查询，专利分析的服务。并且PURPOSE: To appropriately decide the driving direction of a lens during exposure even if the short focusing area of a zoom lens or a macro lens is used by providing a comparison means for comparing the driving quantity from the current position of a lens to one terminal with the driving quantity from it to the other terminal and a means for deciding the driving direction in accordance with the compared result.
CONSTITUTION: The driving quantity P from the current position of the lens 1a to one terminal and the driving quantity (PM-P) from it to the other terminal are compared by the comparison means 7. In accordance with the compared result from the comparison means 7, the direction where the driving quantity is larger is decided as the driving direction of the lens 1a by a driving direction deciding means 8. Therefore, even in the case of using the short focusing area of the zoom lens or the micro lens, the lens 1a can be driven in the direction where the driving quantity of the lens 1a is larger and a failure that the lens 1a reaches the terminal and stops in the midst of driving the lens during exposure can be prevented. Thus, the lens is driven during exposure in the appropriate direction even if the short focusing area of the zoom lens or the macro lens is used.
COPYRIGHT: (C)1990,JPO&Japio，下面是Camera capable of moving lens during exposure专利的具体信息内容。
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