JPS6212122U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案による像安定光学装置の光学系
の基本構成を示す斜視図、第２図は本考案装置に
利用し得るシユミツトの正立プリズムの例を示す
側面図、第３図は正立プリズムを利用することに
よつて像が安定する原理を説明する側面図、第４
図は本装置において像が安定する原理を説明する
平面図、第５図は本考案の一実施例を示す水平断
面図、第６図は第５図の―線断面図、第７図
は第５図の―線断面図、第８図は第５図の
―線断面図である。 １ａ，１ｂ，１１６ａ，１１６ｂ……対物レン
ズ、２ａ，２ｂ，１１８ａ，１１８ｂ……接眼レ
ンズ、３ａ，３ｂ，１０５ａ，１０５ｂ……正立
プリズム、１０６……ジンバル懸架装置の内輪部
材、１０９……ジンバル懸架装置の外輪部材、１
１２……電動機、１１３，１１４……回転慣性体
、１２３，１２４，１２５……ジンバルロツク装
置。 FIG. 1 is a perspective view showing the basic configuration of the optical system of the image stabilizing optical device according to the present invention, FIG. Side view explaining the principle of image stabilization by using a vertical prism, No. 4
The figure is a plan view explaining the principle of image stabilization in this device, FIG. 5 is a horizontal cross-sectional view showing one embodiment of the present invention, FIG. FIG. 5 is a sectional view taken along the line ``-'', and FIG. 8 is a sectional view taken along the ``--'' line in FIG. 1a, 1b, 116a, 116b...objective lens, 2a, 2b, 118a, 118b...eyepiece lens, 3a, 3b, 105a, 105b...erecting prism, 106...inner ring member of gimbal suspension system, 109... Outer ring member of gimbal suspension system, 1
12... Electric motor, 113, 114... Rotating inertia body, 123, 124, 125... Gimbal lock device.

Claims (1)

【実用新案登録請求の範囲】 (1) 対物レンズ系と接眼レンズ系とからなる光
学系の該対物レンズ系の焦点面に焦点鏡（レチク
ル）を配し、入射光軸と射出光軸とを同一直線上
にとることの出来る正立プリズムを前記光学系の
光軸上で前記対物レンズ系と前記焦点鏡（レチク
ル）の間に配置した望遠鏡系において、前記対物
レンズ系及び前記接眼レンズ系及び前記焦点鏡（
レチクル）を前記望遠鏡系の箱筐体に固着し、前
記正立プリズムを回転慣性体を備え互いに直交す
る２つの回転体を有するジンバル懸架装置を介し
て前記筐体に揺動自在に装着し、前記ジンバル懸
架装置の２つの回転軸を前記望遠鏡系の主なる光
軸に直交する面内で、かつ、前記対物レンズ系の
主点から前記正立プリズムの入射面までの光学距
離と前記正立プリズムの入射面から射出面までの
機械距離と前記正立プリズムの射出面から前記焦
点鏡（レチクル）までの光学距離との和の中点に
該回転軸を設けたことを特徴とした像安定光学装
置。 (2) 前記光学装置を構成する望遠鏡系を夫々の
望遠鏡系の主なる光軸が平行であるような一体の
望遠鏡系で構成し前記一体の望遠鏡系のうち片側
の対物レンズの焦点面に前記望遠鏡系の筐体に固
着された焦点鏡（レチクル）を配置したことを特
徴とする実用新案登録請求の範囲第１項記載の像
安定光学装置。[Scope of Claim for Utility Model Registration] (1) A focusing mirror (reticle) is arranged on the focal plane of the objective lens system of an optical system consisting of an objective lens system and an eyepiece system, and the incident optical axis and the exit optical axis are In a telescope system in which an erecting prism that can be aligned on the same straight line is arranged between the objective lens system and the focusing mirror (reticle) on the optical axis of the optical system, the objective lens system, the eyepiece lens system, and The focusing mirror (
a reticle) is fixed to a box casing of the telescope system, and the erecting prism is swingably attached to the casing via a gimbal suspension device having a rotating inertial body and two rotating bodies orthogonal to each other; The two rotation axes of the gimbal suspension device are aligned within a plane perpendicular to the main optical axis of the telescope system, and the optical distance from the principal point of the objective lens system to the entrance surface of the erecting prism and the erecting prism are Image stabilization characterized in that the rotation axis is provided at the midpoint of the sum of the mechanical distance from the entrance surface of the prism to the exit surface and the optical distance from the exit surface of the erecting prism to the focusing mirror (reticle). optical equipment. (2) The telescope system constituting the optical device is composed of an integral telescope system in which the main optical axes of the respective telescope systems are parallel, and the telescope system is configured such that the focal plane of the objective lens on one side of the integral telescope system is An image stabilizing optical device according to claim 1, characterized in that a focusing mirror (reticle) fixed to a housing of a telescope system is disposed.