发明名称 SELECTING DEVICE FOR PROGRAM LINE FOR EXPOSURE CONTROL
摘要 PURPOSE:To meet an objective photographing condition by automatically selecting a program line, which deepens the object depth, from plural program lines when the macro photographing mode is selected. CONSTITUTION:A lens ROM 57, electric contact groups 59 and 103, and a con trol part 101 constitutes a means which automatically selects the program line to deepen the object depth or the focal depth from plural program lines stored in the control part 101 when a zoom ring 56 is turned to a prescribed position to select the macro photographing mode. Thus, the program line capable of photographing at a deep object depth is selected in the macro photographing mode.
申请公布号 JPS63192033(A) 申请公布日期 1988.08.09
申请号 JP19870023669 申请日期 1987.02.05
申请人 ASAHI OPTICAL CO LTD 发明人 SATO OSAMU;HIRAI ISAMU
分类号 G03B7/20 主分类号 G03B7/20
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