发明名称 CAMERA HAVING SWITCHING TYPE VARIABLE POWER FINDER SYSTEM
摘要 PURPOSE:To effectively utilize a space of the inside of a camera, and to make the whole camera small in size by projecting a partial finder member of a finder system from the camera body by interlocking with a change of a partial optical member. CONSTITUTION:At the time of switching a standard photographing state to a telephotographing state, it is executed by moving a lens barrel 7 in the upper direction (the direction as indicated with an arrow A) so that an optical axis of a main lens system 1 is positioned on the front optical axis of a sub-lens system 2. In this case, an objective lens 10 and an eyepiece 11 being a main finder system of a variable power finder system move in the upper direction of a camera body 14, namely, a casing, as the lens barrel 7 moves in the upper direction, and become a state that they have jumped out of the camera body 14, namely, pop up. In this way, it becomes unnecessary to secure in advance a space for withdrawing a lens part to the outside of a finder optical axis, in the inside of the camera.
申请公布号 JPS62231946(A) 申请公布日期 1987.10.12
申请号 JP19860075974 申请日期 1986.04.02
申请人 CANON INC 发明人 OGAWA YUKIO
分类号 G03B13/12 主分类号 G03B13/12
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