CN2473631Y - 一种天文望远镜用附加双目装置 - Google Patents

一种天文望远镜用附加双目装置 Download PDF

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Publication number
CN2473631Y
CN2473631Y CN01209785U CN01209785U CN2473631Y CN 2473631 Y CN2473631 Y CN 2473631Y CN 01209785 U CN01209785 U CN 01209785U CN 01209785 U CN01209785 U CN 01209785U CN 2473631 Y CN2473631 Y CN 2473631Y
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lens combination
beam split
astronomical telescope
telescope
plane mirror
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梁广渠
陈灼英
李茂�
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Norin Optech Co Ltd
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Norin Optech Co Ltd
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Priority to PCT/CN2002/000215 priority patent/WO2002084369A1/zh
Priority to DE20219151U priority patent/DE20219151U1/de
Priority to US10/309,898 priority patent/US20030184859A1/en
Priority to JP2003000201U priority patent/JP3102707U/ja
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/16Housings; Caps; Mountings; Supports, e.g. with counterweight
    • G02B23/18Housings; Caps; Mountings; Supports, e.g. with counterweight for binocular arrangements

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  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
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Abstract

一种天文望远镜用附加双目装置,装置的物端通过结构与原望远镜相接,装置的像端可装入双目镜,使望远镜变为目镜,转像分光棱镜和目镜组成完整的一体,分光倒像装置由分光立方棱镜、三个反光镜和两个透镜组构成,本装置具有分光和转像两大功能,在不改变原望远镜结构的情况下,在原望远镜目镜的前焦面和物镜的后焦面间加入本装置,可将天文望远镜观察到的物像转像并分光,能满足人们对单筒天文望远镜变成双目观察要求,还可供地面观察,扩大了原产品的使用范围。

Description

一种天文望远镜用附加双目装置
本实用新型涉及一种天文望远镜用附加双目装置,也可用于类似的其它望远镜和观察仪器。
现有的天文望远镜多是单筒的,需单目观察,这不符合人们双目视物的习惯,观察不方便,长时间观察眼睛易于疲劳。
本实用新型的目的,就是提供一种天文望远镜用附加双目装置,其具有分光和转像两大功能,可满足人们对单筒天文望远镜变成双目观察的要求,由于其可将天文望远镜观察到的倒像变为正像,所以还可供地面观察,扩大了原产品的使用范围。
为实现上述目的,本实用新型的天文望远镜用附加双目装置,由中筒、左镜体、右镜体、分光倒像装置构成;中筒为管状,前为可与天文望远镜相接的连接头,左、右镜体为筒状,轴线与中筒平行,有旁凸的铰接座与中筒铰接,朝后筒口装有目镜;分光倒像装置由分光立方棱镜、三个反光镜A、B、C和两个透镜组D、E构成;分光立方棱镜、平面反光镜A依次处在中筒之中,平面反光镜A处在分光立方棱镜的透光轴线上;平面反光镜B、透镜组D依次位于右镜体之中,并处于分光立方棱镜的分光轴线上;分光立方棱镜、平面反光镜B、透镜组D为成像一体,并通过右支架以螺钉固定在右镜体上;平面反光镜C、透镜组E位于平面反光镜A反射轴线上,为成像一体,并通过左支架以螺钉固定在左镜体上;左、右镜体的透镜组都处于两反射镜之中。
在采取了上述技术设施之后,本实用新型的天文望远镜用附加双目装置,在不改变原望远镜结构的情况下,在原望远镜目镜的前焦面和物镜的后焦面间加入本装置,将天文望远镜观察到的物像转像并分光,其中转像由透镜组承担,分光由立方棱镜承担,改变光轴方向用反光镜承担,可满足天文望远镜单筒变双眼观察的要求,本装置还特别适用于天文望远镜的虚焦面目镜***。
下面结合附图和实施例对本实用新型作进一步的详细描述:
图1为本实用新型第一实施例结构的全剖示意图;
图2为第一实施例的光学原理示意图;
图3为第二实施例的光学原理示意图;
图1所示为本实用新型第一实施例,附加双目装置由中筒1、左镜体2、右镜体3、分光倒像装置4构成;中筒1为管状,其前段为按标准适配尺寸φ31.75制成的连接头5,可直接与天文望远镜相接,并配有接头盖13,其后有紧固螺圈14、波形垫圈15及目距盘16;右镜体3为筒状,前段有旁凸的铰接座7与中筒1铰接,左镜体2也为筒状,后段有旁凸的铰接座6与中筒1铰接,左、右镜体2、3的朝后筒口都装有上盖17,视度手轮18,目镜接筒19,多头螺纹20,镜体盖21;右镜体3上还有小孔盖22。
分光倒像装置4由分光胶合立方棱镜23、三个反光镜A、B、C和两个透镜组D、E构成,透镜组D、E为三组三片式,透镜组都处于两反射镜之中,成像放大率为β=-1X;分光立方棱镜23、平面反光镜A依次处在中筒1之中,平面反光镜A处在分光胶合立方棱镜23的透光轴线上;平面反光镜B、透镜组D依次位于右镜体3之中,并处于分光胶合立方棱镜23的分光轴线上;分光立方棱镜23、平面反光镜B、透镜组D为成像一体,并通过右支架24以螺钉固定在右镜体3上;平面反光镜C、透镜组E位于平面反光镜A反射轴线上,为成像一体,并通过左支架25以螺钉固定在左镜体2上。
其工作原理和特点是:天文望远镜用附加双目装置的物面与天文望远镜或观察仪器的物镜像面重合;右右目镜的物面与双目装置的像面重合,使通过物镜的单支光束进入双目装置后被分解为两支光束,使物体成像于左、右目镜的前焦面上,并通过双目镜进入双眼,左、右支光学***可通过中轴旋转调节目距以适应不同眼睛瞳距观察者的需要。观察近距离物体时可旋动天文望远镜的调焦手轮,为满足左、右眼不同视度的需要,本装置有视度手轮以供调节。还可设计成不同倍率的双目装置以改变原有观察仪器的倍率。
本实用新型实施例的主要指标是:镜头焦距f’=39.6毫米,放大倍率β=-1X,线视场12.3毫米,数值孔径:0.0633,目距调节范围:53至75毫米,左、右视度筒调节轴向距离4.5毫米,以便装入不同焦距的目镜调节视度使用。
本装置在设计和制造方面解决了一些难点:在紧凑的空间内安放校正好像差的透镜组和镀制要求较高的分光膜等。本双目附加装置光学***三个平面反光镜亦可采用棱镜,透镜组为三组三片式。整个光学***还可设计成不同倍率以改变原有观察仪器的倍率。
图3为第二实施例的光学原理示意图;三个平面反光镜采用棱镜代替,左、右两支镜头完全相同,但成本较第一实施例高,第一
实施例较便于加工。
本实用新型属于观察仪器的附加装置,主要用于单筒天文望远镜变双目观察的附加装置光学***;也可以用于类似的其它单眼观察仪器。

Claims (3)

1、一种天文望远镜用附加双目装置,由中筒(1)、左镜体(2)、右镜体(3)、分光倒像装置(4)构成;其特征在于:所述的中筒(1)为管状,前段制成可与天文望远镜相接的连接头(5);所述的左、右镜体(2、3)为筒状,轴线与前述中筒(1)轴线平行,并有旁凸的铰接座(6、7)与中筒(1)铰接,朝后筒口装有目镜;所述的分光倒像装置(4)由分光立方棱镜(23)、三个反光镜(A、B、C)和两个透镜组(D、E)构成;分光立方棱镜(23)、平面反光镜(A)依次处在中筒(1)之中、连接头(5)后,平面反光镜(A)处在分光立方棱镜(10)的透光轴线上;平面反光镜(B)、透镜组(D)位于右镜体(3)之中,并处于分光立方棱镜(23)的分光轴线上;分光立方棱镜、平面反光镜(B)、透镜组(D)成像一体,并通过右支架(24)以螺栓固定在右镜体(3)上;平面反光镜(C)、透镜组(E)位于平面反光镜(A)反射轴线上成像一体、并通过左支架(25)以螺栓固定在左镜体(2)上。
2、根据权利要求1所述的天文望远镜用附加双目装置,其特征在于:所述的透镜组(E)处于反射镜(A、B)之中。
3、根据权利要求2所述的天文望远镜用附加双目装置,其特征在于:所述的反光镜(A、B、C)为平面反光镜;所述的透镜组成像放大率为β=-1X;所述的透镜组(D、E)为三组三片式。
CN01209785U 2001-04-11 2001-04-11 一种天文望远镜用附加双目装置 Expired - Fee Related CN2473631Y (zh)

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Application Number Priority Date Filing Date Title
CN01209785U CN2473631Y (zh) 2001-04-11 2001-04-11 一种天文望远镜用附加双目装置
PCT/CN2002/000215 WO2002084369A1 (fr) 2001-04-11 2002-03-29 Dispositif binoculaire attache pour telescope astronomique
DE20219151U DE20219151U1 (de) 2001-04-11 2002-03-29 Okular für ein astronomisches Fernrohr
US10/309,898 US20030184859A1 (en) 2001-04-11 2002-12-05 Auxiliary binocular device for astronomical telescope
JP2003000201U JP3102707U (ja) 2001-04-11 2003-01-17 天体望遠鏡用双眼観察装置

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CN01209785U CN2473631Y (zh) 2001-04-11 2001-04-11 一种天文望远镜用附加双目装置

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JP3102707U (ja) 2004-07-15
DE20219151U1 (de) 2003-06-05
US20030184859A1 (en) 2003-10-02

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