| 摘要 |
PROBLEM TO BE SOLVED: To provide a zoom lens with an information display device which enables an angle for displaying information to be optionally changed in accordance with the needs of a user, and is easily confirmed by the user, and therefore is excellent in user-friendliness. SOLUTION: In the information display device, when an operation mode is changed, for example, from a servo system into a uniaxial double operation system according to the situation of a user, the state of the lens is confirmed at at an angle for easy visual recognition by changing the display state by rotation or changing display direction or a display angle. COPYRIGHT: (C)2005,JPO&NCIPI
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