| 摘要 |
PROBLEM TO BE SOLVED: To provide a display device, facilitating zooming operation and focusing operation, and observing the function of lens operation without any large change in attitude in a photographing attitude where a lens barrel on which a camera is mounted is fixed to a tripod in the case of a lens-barrel of an internal focusing large-sized zoom lens which is heavy and has low mobility. SOLUTION: In this lens-barrel of an internal focusing large-sized zoom lens, an outer cylinder is a fixed cylinder, a camera coupled mount 12 is provided at the rear part of the fixed cylinder, a liquid crystal display plate displaying lens information is installed on a substantially vertical annular plane generated by a step between a fixed cylinder outer diameter and a rear lens barrel outside diameter of a lens-barrel to which the rear lens barrel rotatable around the optical axis is connected. The function display of a zooming operation ring and a focusing operation ring disposed on the rear lens barrel is disposed and positioned so that a liquid crystal display plate is at a position confronting a photographer in the camera mount photographing attitude. COPYRIGHT: (C)2009,JPO&INPIT
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