Macro device for variable focal lens
专利汇可以提供Macro device for variable focal lens专利检索，专利查询，专利分析的服务。并且PURPOSE: To offer a macro device for a variable focal lens capable of expanding a macro photographing range by releasing a stopper for restricting a distance to be delivered so that focusing lens groups are on the same focusing position in respective focal distances in a macro photographing enable mode.
CONSTITUTION: The macro device is provided with a macro range focusing correction computing means for allowing a focusing lens group to pass a shortest range side inhibiting area based upon the outputs of a variable power lens group position detecting means 8 and a focusing lens group position detecting means 7 when the macro photographing enable mode is set up by a macro photographing enable switch 100 and allowing a focusing drive inhibiting means 11 to reset inhibition in a shortest range side inhibiting area so that the macro photographing range of the variable power lens group on the wide angle side is expanded and allowing a focusing correction computing means 11 to correct the driving variable of the focusing lens group. Thereby, the shortest range side inhibiting area of the focusing drive inhibiting means is reset in the macro photographing enable mode to execute macro photographing, macro photographing capable of forming an image up to a near distance on the wide angle side as compared with the telephoto side by moving a focusing lens to the shortest range side similarly to the telephone side can be executed and the operability of the device can be improved.
COPYRIGHT: (C)1992,JPO&Japio，下面是Macro device for variable focal lens专利的具体信息内容。
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4 便携式微距摄影箱
