Camera provided with virtual wide angel function
专利汇可以提供Camera provided with virtual wide angel function专利检索，专利查询，专利分析的服务。并且PURPOSE: To surely assure execute returning operation to actual focal distance before the virtual wide angle is carried out by restricting a range of variation of the focal distance of a photographic lens in a state where the virtual wide angle is carried out.
CONSTITUTION: When zooming is carried out on a telephotographing side in a state when the virtual wide angle is carried out, there are cases where the actual focal distance before the virtual wide angle is carried out exceeds a maximum focal distance f
max of the photographic lens 1. In the case, it cannot be returned to the actual focal distance. Therefore, in a state of the virtual wide angle, the variation range of the focal distance of the photographic lens 1 is restricted by the restricting means 9, and returning to the actual focal distance before the virtual wide angle is carried out can be assured. That is, the variation range of the focal distance of the photographic lens 1 is restricted to be shorter than the focal distance (f
max /k) which is the maximum focal distance f
max of the photographic lens 1 shortened to a specified magnifying power (1/k). Thus, the returning to the actual focal distance before the virtual wide angle is carried out can be assured.
COPYRIGHT: (C)1992,JPO&Japio，下面是Camera provided with virtual wide angel function专利的具体信息内容。
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