发明名称 IMAGE PICKUP DEVICE
摘要 PURPOSE:To more surely photograph by equalizing exposure conditions in the display mode and the recording mode of the object to prevent the photographed result from being out of focus. CONSTITUTION:In the display mode as well as the recording mode, driving speeds of a diaphragm and an image pickup means 101 are set by a control means 105 in accordance with the quantity of incident light, for example, the luminance measured by a light measuring means 104. Consequently, the object image displayed as a moving image on a display means 102 by a supply means 101' in the display mode before the start of photographing and that displayed as a still image recorded by a recording means 103 in the recording mode at the time of photographing are approximately equal to each other. Thus, the image is prevented from being out of focus by the deviation of the depth of field of a lens.
申请公布号 JPS63272182(A) 申请公布日期 1988.11.09
申请号 JP19870104538 申请日期 1987.04.30
申请人 CANON INC 发明人 TAKAIWA KAN
分类号 G03B7/08;H04N5/235 主分类号 G03B7/08
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