| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical device which enables output of zoom variation corresponding to optical zoom properties at the time of electronic zooming, from lenses to a virtual system by means which are compatible with a conventional system. <P>SOLUTION: A lens device comprising position detection means of the movable optical members of a zoom lens, a focus lens, and an iris and position signal sending means which sends, to an image composition system, positional information from the position detection means has: electronic zoom magnification reception means for receiving an electronic zoom magnification of a camera apparatus connected to the lens device; and processing means for changing the positional information to send to the image composition system in accordance with the electronic zoom magnification from the electronic zoom magnification reception means. <P>COPYRIGHT: (C)2012,JPO&INPIT |
