LENS DEVICE, IMAGING DEVICE AND METHOD FOR MANUFACTURING LENS DEVICE

• Main Author: SHIMODA KUNIO
• Format: Patent
• Language: English; Japanese
• Published: 28.03.2023
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

To provide a lens device advantageous in terms of, for example, optical performance.SOLUTION: A lens device (100) comprises a movable cylinder (9) holding a lens group (8) and having a cam follower (12), a cam barrel (6) in which a cam (6a) engaged with the cam follower is formed, a fixed barrel (1) to which the cam barrel is fitted, a rectilinear guide member (7) extending in a direction of an optical axis and having a first rectilinear guide (7d) engaged with the cam follower, and adjustment parts (7e, 7f, 14) capable of adjusting a relative position between the fixed barrel and the rectilinear guide member.SELECTED DRAWING: Figure 1 【課題】、例えば、光学性能の点で有利なレンズ装置を提供する。【解決手段】レンズ装置（１００）は、レンズ群（８）を保持し、カムフォロア（１２）を有する移動筒（９）と、カムフォロアが係合するカム（６ａ）が形成されたカム筒（６）と、カム筒が嵌合する固定筒（１）と、光軸の方向に沿って延び、カムフォロアが係合する第１の直進案内（７ｄ）が形成された直進案内部材（７）と、固定筒と直進案内部材との相対位置を調整可能な調整部（７ｅ、７ｆ、１４）とを有する。【選択図】図１