JPH05341204A - Reflecting telescope - Google Patents
Reflecting telescopeInfo
- Publication number
- JPH05341204A JPH05341204A JP16834792A JP16834792A JPH05341204A JP H05341204 A JPH05341204 A JP H05341204A JP 16834792 A JP16834792 A JP 16834792A JP 16834792 A JP16834792 A JP 16834792A JP H05341204 A JPH05341204 A JP H05341204A
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- reflecting
- sub
- reflected
- reflecting mirror
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Telescopes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は視野の大幅な拡大を行
うことができる反射望遠鏡に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reflecting telescope capable of greatly expanding the field of view.
【０００２】[0002]
【従来の技術】従来の反射望遠鏡としては、例えば図４
及び図５に示すようなものが知られている（特開平４−
２０９１４号公報参照）。この反射望遠鏡１は有効径が
６０ｃｍ以上もある大型の反射天体望遠鏡である。この
反射望遠鏡１は主反射鏡２と副反射鏡３とを内部に備え
た鏡筒４と、この鏡筒４の側部に取り付けられた屈折式
で広視野のガイド望遠鏡５とを備えている。2. Description of the Related Art As a conventional reflection telescope, for example, FIG.
And the one as shown in FIG.
20914). The reflecting telescope 1 is a large reflecting astronomical telescope having an effective diameter of 60 cm or more. The reflecting telescope 1 includes a lens barrel 4 having a main reflecting mirror 2 and a sub-reflecting mirror 3 therein, and a refracting wide-field guide telescope 5 attached to a side portion of the lens barrel 4. ..
【０００３】従って、観測者はまずガイド望遠鏡５にて
観測対象を広視野で特定し、その後鏡筒４により観測対
象の詳細な観測を行うものである。すなわち、鏡筒４内
に入射した光Ｒはまず主反射鏡２の凹鏡面２ａにて反射
される。主反射鏡２にて反射された光Ｒは該主反射鏡２
に対面配置された副反射鏡の凸鏡面３ａに集中し、該凸
鏡面３ａにて反射される。該副反射鏡３の凸鏡面３ａに
て反射された光Ｒは主反射鏡２の中央孔２ｂを通過し、
焦点ｆを結んでから接眼部６のレンズＬ1 に至る。そし
て、副反射鏡３は前記従来公報等によって公知になって
いる如く、いわゆる“スパイダー”と称される図示せぬ
支持アームにて鏡筒４内に支持されていると共に、駆動
手段により光軸Ａの方向で移動可能とされている。従っ
て、この副反射鏡３を光軸Ａに沿って移動させることに
より、焦点距離をある程度変化させることができる。Therefore, the observer first specifies the observation target with a wide field of view using the guide telescope 5, and then performs detailed observation of the observation target using the lens barrel 4. That is, the light R that has entered the lens barrel 4 is first reflected by the concave mirror surface 2 a of the main reflecting mirror 2. The light R reflected by the main reflecting mirror 2 is
Concentrates on the convex mirror surface 3a of the sub-reflecting mirror that is arranged facing to and is reflected by the convex mirror surface 3a. The light R reflected by the convex mirror surface 3a of the sub-reflecting mirror 3 passes through the central hole 2b of the main reflecting mirror 2,
After focusing on the focal point f, it reaches the lens L 1 of the eyepiece 6. The sub-reflecting mirror 3 is supported in the lens barrel 4 by a supporting arm (not shown) called a "spider" as well known in the above-mentioned conventional publications, and the optical axis is driven by a driving means. It is possible to move in the direction of A. Therefore, by moving the sub-reflecting mirror 3 along the optical axis A, the focal length can be changed to some extent.
【０００４】このように、副反射鏡３を移動させること
により焦点距離を変化させ、鏡筒４による観測視野の拡
大・縮小をある程度の範囲で行えるようになっている
が、場合によっては観測対象をこの副反射鏡３の可変範
囲を超えた広視野でもって撮影しなければならないこと
もある。このような場合は、鏡筒４から副反射鏡３をい
ったん取外し、主反射鏡２で反射された光Ｒの焦点位置
にカメラ等の撮影装置７を設置して撮影していた。As described above, the focal length is changed by moving the sub-reflecting mirror 3 so that the observation field of view by the lens barrel 4 can be enlarged or reduced within a certain range. It may be necessary to photograph with a wide field of view that exceeds the variable range of the sub-reflecting mirror 3. In such a case, the sub-reflecting mirror 3 is once removed from the lens barrel 4, and a photographing device 7 such as a camera is installed at the focal position of the light R reflected by the main reflecting mirror 2 for photographing.
【０００５】[0005]
【発明が解決しようとする課題】このような従来の技術
にあっては、広視野への変更の際に、わざわざ副反射鏡
３を取り外さなければならないため、その副反射鏡３の
取外し、またその後の再取付けの際の作業がたいへんに
面倒であった。すなわち、副反射鏡３の凸鏡面３ａによ
る拡大率のために、副反射鏡３の光軸Ａに対する位置合
わせは極めて厳密な精度が要求されるからである。この
副反射鏡３の位置合わせは、この種の反射型望遠鏡にと
って最も重要なポイントであり、副反射鏡３の光軸Ａに
対する傾きにわずかな誤差があっただけでも、焦点ｆが
光軸Ａ上に結ばなくなり、光学的に致命的なダメージを
受けるため、この副反射鏡３の再取付け作業はとても大
変であった。このように今までは広視野での撮影を行う
ために、仕方なく副反射鏡３を鏡筒４から取り外してい
たが、上記のような実情を鑑みると、副反射鏡３を取り
外すことなく大幅な視野の拡大が図れればこれにこした
ことはない。In such a conventional technique, the sub-reflecting mirror 3 has to be removed when changing to a wide field of view. Subsequent reattachment work was extremely troublesome. That is, because of the enlargement ratio of the convex mirror surface 3a of the sub-reflecting mirror 3, alignment of the sub-reflecting mirror 3 with respect to the optical axis A requires extremely strict accuracy. The alignment of the sub-reflecting mirror 3 is the most important point for this type of reflective telescope, and even if there is a slight error in the inclination of the sub-reflecting mirror 3 with respect to the optical axis A, the focal point f will not change. The work of reattaching the sub-reflecting mirror 3 was very difficult because it would not be tied up and would be optically fatally damaged. As described above, the sub-reflecting mirror 3 has been unavoidably removed from the lens barrel 4 in order to perform wide-field shooting in this manner. If you can achieve a wide field of view, you will not be defeated.
【０００６】この発明はこのような従来の技術に着目し
てなされたものであり、副反射鏡を取り外すことなく、
大幅な広視野が得られる反射望遠鏡を提供するものであ
る。The present invention was made by paying attention to such a conventional technique, and without removing the sub-reflecting mirror,
The present invention provides a reflecting telescope capable of obtaining a wide field of view.
【０００７】[0007]
【課題を解決するための手段】請求項１記載の発明に係
る反射望遠鏡は、副反射鏡の凸鏡面の前に平面鏡を配置
すると共に、該平面鏡からの反射光を受光する撮影装置
を、主反射鏡から副反射鏡へ至る光路を遮らない位置に
配置したものである。According to a first aspect of the present invention, there is provided a reflecting telescope having a plane mirror arranged in front of a convex mirror surface of a sub-reflecting mirror, and a photographing device for receiving reflected light from the plane mirror. The optical path from the reflecting mirror to the sub-reflecting mirror is arranged so as not to block the optical path.
【０００８】請求項２記載の発明に係る反射望遠鏡は、
前記撮影装置を配置する代わりに、平面鏡からの反射光
を光学的要素を介して接眼部へ導くようにしたものであ
る。The reflecting telescope according to the second aspect of the invention is
Instead of disposing the photographing device, the reflected light from the plane mirror is guided to the eyepiece through an optical element.
【０００９】請求項３記載の発明に係る反射望遠鏡は、
前記平面鏡を、凹面鏡に代えたものである。The reflecting telescope according to the third aspect of the invention is
The plane mirror is replaced with a concave mirror.
【００１０】[0010]
【作用】請求項１記載の発明に係る反射望遠鏡によれ
ば、主反射鏡からの反射項を副反射鏡の前に配置した平
面鏡にて反射し、該平面鏡にて反射した光を撮影装置に
て受光するようにしたので、鏡筒本来の視野範囲を越え
た広視野の撮影を行うことができる。つまり、平面鏡に
は副反射鏡のように拡大率がないためにその分焦点距離
が大幅に短くなり視野が拡大する。According to the reflecting telescope of the first aspect of the invention, the reflection term from the main reflecting mirror is reflected by the plane mirror arranged in front of the sub-reflecting mirror, and the light reflected by the plane mirror is applied to the photographing device. Since it is configured to receive light, it is possible to capture a wide field of view that exceeds the field of view originally intended for the lens barrel. That is, since the plane mirror does not have a magnifying power like the sub-reflecting mirror, the focal length is greatly shortened and the field of view is expanded accordingly.
【００１１】そして、副反射鏡を取り外す必要がないた
め、従来のような副反射鏡の面倒な再取付作業や再調整
を行う必要もない。更に、平面鏡には副反射鏡の如き拡
大率がないため、平面鏡を取付ける作業を行うにして
も、副反射鏡のような高精度の調整が要求されず、平面
鏡自体の取付け・調整作業は比較的容易である。Further, since it is not necessary to remove the sub-reflecting mirror, it is not necessary to perform the troublesome re-attachment work or readjustment of the sub-reflecting mirror as in the conventional case. Furthermore, since the plane mirror does not have a magnification ratio like that of the sub-reflector, even if the work for mounting the plane mirror is performed, it is not necessary to make highly accurate adjustments like the sub-reflector, and the work for mounting and adjusting the plane mirror itself is comparative. It is easy.
【００１２】また、請求項２記載の発明に係る反射望遠
鏡によれば、平面鏡からの反射光をレンズやミラー等の
光学的要素を介して接眼部へ導くことができるので、撮
影装置にて撮影する代わりに、広視野の目視観測が本来
の接眼部から行なえる。According to the reflecting telescope of the second aspect of the invention, the reflected light from the plane mirror can be guided to the eyepiece through optical elements such as lenses and mirrors. Instead of photographing, wide-field visual observation can be performed from the original eyepiece.
【００１３】更に、請求項３記載の発明に係る反射望遠
鏡によれば、平面鏡の代わりに凹面鏡を用いたので、平
面鏡を用いた場合よりも更に広視野の撮影・観測を行う
ことができる。但し、この凹面鏡を用いる場合は副反射
鏡の凸鏡面とは逆の意味の拡大率があるために、その凹
面鏡の取付けには、平面鏡の場合よりも高精度な取付け
・調整が必要となってしまう。Further, according to the reflecting telescope of the third aspect of the present invention, since the concave mirror is used instead of the plane mirror, it is possible to perform photographing and observation in a wider field of view than in the case of using the plane mirror. However, when this concave mirror is used, there is a magnification factor opposite to that of the convex mirror surface of the sub-reflecting mirror.Therefore, the mounting of the concave mirror requires more accurate mounting and adjustment than the flat mirror. I will end up.
【００１４】[0014]
【実施例】以下この発明の好適な実施例を図面を用いて
説明する。尚、従来と共通部分には同一の符号を付し、
重複する部分は省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. In addition, the same reference numerals are given to the same parts as the conventional one,
The overlapping part is omitted.
【００１５】図１及び図２はこの発明の第１実施例を示
す図である。この実施例における副反射鏡３も従来と同
様に、いわゆる“スパイダー”と称される図示せぬ支持
アームにて鏡筒４内に配置されている。そして、この副
反射鏡３の凸鏡面３ａの直前位置に、図示せぬ公知の取
付け手段により平面鏡８を配置した。この平面鏡８は平
鏡面８ａを主反射鏡２側に有し、主反射鏡２からの反射
光Ｒをこの平鏡面８ａにて全て反射しうる形状・サイズ
を備えている。そして、この平面鏡８の主反射鏡２側に
は、平面鏡８にて反射された光Ｒの焦点位置ｆに受光面
９ａを位置決めさせたカメラ（撮影装置）９が、ケース
１０に収納された状態で配置されている。このカメラ９
を収納しているケース１０は、主反射鏡２から副反射鏡
３へ向かう反射光の光路を遮らないような位置及び形状
・サイズとされている。すなわち、主反射鏡２の外径方
向からくる光束Ｒ1 は問題ないが、特に主反射鏡２の内
径方向からくる光束Ｒ2 と干渉しないようにされてい
る。1 and 2 are views showing a first embodiment of the present invention. Similarly to the conventional case, the sub-reflecting mirror 3 in this embodiment is also disposed in the lens barrel 4 by a so-called "spider" support arm (not shown). Then, the plane mirror 8 is arranged at a position immediately before the convex mirror surface 3a of the sub-reflecting mirror 3 by a known mounting means (not shown). This plane mirror 8 has a flat mirror surface 8a on the side of the main reflecting mirror 2, and has a shape and size capable of completely reflecting the reflected light R from the main reflecting mirror 2 on this flat mirror surface 8a. On the main reflecting mirror 2 side of the plane mirror 8, a camera (imaging device) 9 having a light receiving surface 9a positioned at a focal position f of the light R reflected by the plane mirror 8 is housed in a case 10. It is located at. This camera 9
The case 10 accommodating is arranged in such a position, shape and size as not to block the optical path of the reflected light traveling from the main reflecting mirror 2 to the sub-reflecting mirror 3. That is, there is no problem with the light beam R 1 coming from the outer diameter direction of the main reflecting mirror 2, but it does not particularly interfere with the light beam R 2 coming from the inner diameter direction of the main reflecting mirror 2.
【００１６】この平面鏡８とカメラ９は図２に示す如く
一体化された状態で鏡筒４内に配置されている。すなわ
ち、平面鏡８は平鏡面８ａを主反射鏡２側へ向けた状態
で支持環１１内に支持されている。尚、この支持環１１
は図示せぬ公知の取付手段により、鏡筒４の内面部又は
副反射鏡３を支持している取付手段に取り付けられてい
る。そして、この支持環１１とカメラ９を収納したケー
ス１０とは、いわゆるスパイダー形をした４本の支持ア
ーム１２にて支持されている。The plane mirror 8 and the camera 9 are arranged in the lens barrel 4 in an integrated state as shown in FIG. That is, the plane mirror 8 is supported in the support ring 11 with the flat mirror surface 8a facing the main reflecting mirror 2 side. The support ring 11
Is attached to the inner surface portion of the lens barrel 4 or the attaching means supporting the sub-reflecting mirror 3 by a known attaching means (not shown). The support ring 11 and the case 10 accommodating the camera 9 are supported by four support arms 12 in the so-called spider shape.
【００１７】次に作用を説明する。鏡筒４内に入射した
光Ｒはまず従来通り主反射鏡２にて反射される。そし
て、この反射光Ｒは副反射鏡３へ向かうが、副反射鏡３
の直前位置には平面鏡８が配置されているため、その反
射光Ｒは副反射鏡３に至らず平面鏡８の平鏡面８ａにて
反射される。また、前述のように、ケース１０が主反射
鏡２の内側部分から反射される反射光Ｒ2 と干渉しない
ようにされているため、主反射鏡２の凹鏡面２ａにて反
射された光Ｒは全て平面鏡８にて反射される。この平面
鏡８で反射された光Ｒはケース１０内に収納されたカメ
ラ９の受光面９ａでちょうど焦点ｆを結ぶことになる。
平面鏡８の平鏡面８ａには副反射鏡３の凸鏡面３ａのよ
うに拡大率がないため、結果として観測対象を広視野で
捉えて撮影することができる。しかも、わざわざ副反射
鏡３を外す必要がないので、大変に便利である。Next, the operation will be described. The light R incident on the lens barrel 4 is first reflected by the main reflecting mirror 2 as usual. Then, this reflected light R goes to the sub-reflecting mirror 3,
Since the plane mirror 8 is arranged immediately in front of, the reflected light R does not reach the sub-reflecting mirror 3 and is reflected by the plane mirror surface 8a of the plane mirror 8. Further, as described above, since the case 10 does not interfere with the reflected light R 2 reflected from the inner portion of the main reflecting mirror 2, the light R reflected by the concave mirror surface 2a of the main reflecting mirror 2 is prevented. Are all reflected by the plane mirror 8. The light R reflected by the plane mirror 8 is just focused on the light receiving surface 9a of the camera 9 housed in the case 10.
Since the flat mirror surface 8a of the plane mirror 8 does not have a magnifying power like the convex mirror surface 3a of the sub-reflecting mirror 3, as a result, the observation target can be captured in a wide field of view and photographed. Moreover, since it is not necessary to remove the sub-reflecting mirror 3, it is very convenient.
【００１８】図３はこの発明の第２実施例を示す図であ
る。この実施例では、先の第１実施例のようにカメラ９
を設置する代わりに、平面鏡８にて反射された光Ｒを、
三日月レンズＬ2 と凹凸組合せのレンズＬ3 、Ｌ4 から
成る光学的要素を用いて、接眼部６のレンズＬ1 まで導
くようにしたものである。このようにすることにより、
広視野の目視観測が本来の接眼部６から行なえる。尚、
この実施例の光学的要素Ｌ2 、Ｌ3 、Ｌ4 も、主反射鏡
２の内径側からの反射光Ｒ2 を遮らない位置に設けられ
ている。FIG. 3 is a diagram showing a second embodiment of the present invention. In this embodiment, as in the first embodiment, the camera 9 is used.
Instead of installing the light R reflected by the plane mirror 8,
An optical element composed of a crescent lens L 2 and lenses L 3 and L 4 of a combination of concave and convex is used to guide the lens up to the lens L 1 of the eyepiece section 6. By doing this,
Wide-field visual observation can be performed from the original eyepiece section 6. still,
The optical elements L 2 , L 3 , and L 4 of this embodiment are also provided at positions that do not block the reflected light R 2 from the inner diameter side of the main reflecting mirror 2.
【００１９】尚、以上の各実施例においては、副反射鏡
３の凸鏡面３ａの前に平面鏡８を配置する例を示した
が、これに限定されず、平面鏡８の代わりに凹面鏡を配
置するようにしても良い。このようにすることにより、
平面鏡８を用いた場合よりも更に広視野の撮影・観測を
行うことができる。但し、この凹面鏡を用いる場合は副
反射鏡３の凸鏡面３ａとは逆の意味の拡大率があるため
に、その凹面鏡の取付けには、平面鏡８の場合よりも高
精度な取付け・調整が必要となってしまう。In each of the above embodiments, an example in which the plane mirror 8 is arranged in front of the convex mirror surface 3a of the sub-reflecting mirror 3 has been shown, but the present invention is not limited to this, and a concave mirror is arranged instead of the plane mirror 8. You may do it. By doing this,
Imaging and observation with a wider field of view can be performed than when the plane mirror 8 is used. However, when this concave mirror is used, there is an enlargement ratio that is opposite to that of the convex mirror surface 3a of the sub-reflecting mirror 3. Therefore, the concave mirror must be mounted and adjusted with higher accuracy than the flat mirror 8. Will be.
【００２０】[0020]
【発明の効果】この発明に係る反射望遠鏡は、以上説明
してきた如き内容のものであって、主反射鏡からの反射
項を副反射鏡の前に配置した平面鏡にて反射し、該平面
鏡にて反射した光を撮影装置にて受光するようにしたの
で、鏡筒本来の視野範囲を越えた広視野の撮影を行うこ
とができる。つまり、平面鏡には副反射鏡のように拡大
率がないためにその分焦点距離が大幅に短くなり視野が
拡大する。The reflecting telescope according to the present invention has the contents as described above, and the reflection term from the main reflecting mirror is reflected by the plane mirror arranged in front of the sub-reflecting mirror and is reflected by the plane mirror. Since the reflected light is received by the image capturing device, it is possible to capture a wide field of view beyond the range of the field of view of the lens barrel. That is, since the plane mirror does not have a magnifying power like the sub-reflecting mirror, the focal length is greatly shortened and the field of view is expanded accordingly.
【００２１】そして、副反射鏡を取り外す必要がないた
め、従来のような副反射鏡の面倒な再取付作業や再調整
を行う必要もない。更に、平面鏡には副反射鏡の如き拡
大率がないため、平面鏡を取付ける作業を行うにして
も、副反射鏡のような高精度の調整が要求されず、平面
鏡自体の取付け・調整作業は比較的容易である。Further, since it is not necessary to remove the sub-reflecting mirror, it is not necessary to perform the troublesome re-attachment work or readjustment of the sub-reflecting mirror as in the conventional case. Furthermore, since the plane mirror does not have a magnification ratio like that of the sub-reflector, even if the work for mounting the plane mirror is performed, high-precision adjustment like that for the sub-reflector is not required. It is easy.
【図１】この発明の第１実施例に係る反射望遠鏡の構造
を示す断面図である。FIG. 1 is a sectional view showing the structure of a reflecting telescope according to a first embodiment of the present invention.
【図２】副反射鏡とカメラとの組合せ構造を示す斜視図
である。FIG. 2 is a perspective view showing a combined structure of a sub-reflecting mirror and a camera.
【図３】この発明の第２実施例に係る反射望遠鏡の構造
を示す断面図である。FIG. 3 is a sectional view showing the structure of a reflecting telescope according to a second embodiment of the present invention.
【図４】従来の反射望遠鏡を示す全体斜視図である。FIG. 4 is an overall perspective view showing a conventional reflection telescope.
【図５】従来の反射望遠鏡の構造を示す断面図である。FIG. 5 is a sectional view showing a structure of a conventional reflecting telescope.
１ 望遠鏡 ２ 主反射鏡 ２ａ 凹鏡面 ３ 副反射鏡 ３ａ 凸鏡面 ４ 鏡筒 ６ 接眼部 ８ 平面鏡 ９ カメラ（撮影装置） ９ａ 受光面 1 Telescope 2 Main reflecting mirror 2a Concave mirror surface 3 Sub-reflecting mirror 3a Convex mirror surface 4 Lens barrel 6 Eyepiece 8 Plane mirror 9 Camera (photographing device) 9a Light receiving surface
Claims (3)
の凹鏡面にて反射し、その後該主反射鏡からの反射光を
更に副反射鏡の凸鏡面で反射してから接眼部へ導く構造
の反射望遠鏡において、 上記副反射鏡の凸鏡面の前に平面鏡を配置すると共に、
該平面鏡からの反射光を受光する撮影装置を、主反射鏡
から副反射鏡へ至る光路を遮らない位置に配置すること
を特徴とする反射望遠鏡。1. The eyepiece unit is configured such that light incident on a lens barrel is once reflected by a concave mirror surface of a main reflecting mirror, and then reflected light from the main reflecting mirror is further reflected by a convex mirror surface of a subreflecting mirror, and then an eyepiece section. In the reflecting telescope of the structure leading to, while arranging the plane mirror in front of the convex mirror surface of the sub-reflecting mirror,
A reflecting telescope characterized in that an image pickup device for receiving reflected light from the plane mirror is arranged at a position where an optical path from the main reflecting mirror to the sub reflecting mirror is not blocked.
らの反射光を光学的要素を介して接眼部へ導くようにし
たことを特徴とする請求項１記載の反射望遠鏡。2. The reflection telescope according to claim 1, wherein the reflected light from the plane mirror is guided to the eyepiece through an optical element instead of disposing the photographing device.
に代えたことを特徴とする反射望遠鏡。3. A reflecting telescope, wherein the plane mirror according to claim 1 is replaced with a concave mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16834792A JPH05341204A (en) | 1992-06-04 | 1992-06-04 | Reflecting telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16834792A JPH05341204A (en) | 1992-06-04 | 1992-06-04 | Reflecting telescope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05341204A true JPH05341204A (en) | 1993-12-24 |
Family
ID=15866380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16834792A Pending JPH05341204A (en) | 1992-06-04 | 1992-06-04 | Reflecting telescope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05341204A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003198943A (en) * | 2001-12-28 | 2003-07-11 | Toshiba Corp | Image pickup device |
| JP2011175082A (en) * | 2010-02-24 | 2011-09-08 | Crystal System:Kk | Telescope |
| US20130265475A1 (en) * | 2012-04-05 | 2013-10-10 | Olympus Imaging Corp. | Reflecting Telescope Optical System, Optical Unit, and Image Pickup Apparatus Using the Same |
| CN109782425A (en) * | 2019-03-28 | 2019-05-21 | 青岛海纳光电环保有限公司 | Transceiver telescope and open path gas analyzer |
-
1992
- 1992-06-04 JP JP16834792A patent/JPH05341204A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003198943A (en) * | 2001-12-28 | 2003-07-11 | Toshiba Corp | Image pickup device |
| JP2011175082A (en) * | 2010-02-24 | 2011-09-08 | Crystal System:Kk | Telescope |
| US20130265475A1 (en) * | 2012-04-05 | 2013-10-10 | Olympus Imaging Corp. | Reflecting Telescope Optical System, Optical Unit, and Image Pickup Apparatus Using the Same |
| US9110286B2 (en) * | 2012-04-05 | 2015-08-18 | Olympus Imaging Corp. | Reflecting telescope optical system, optical unit, and image pickup apparatus using the same |
| CN109782425A (en) * | 2019-03-28 | 2019-05-21 | 青岛海纳光电环保有限公司 | Transceiver telescope and open path gas analyzer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7274517B2 (en) | Micromirror array lens with focal length gradient | |
| JPH08500682A (en) | Optics for binoculars and other visual aids | |
| US8529074B2 (en) | Projector having projection optical system with inclined light blocking member | |
| JPH05341204A (en) | Reflecting telescope | |
| US6341901B1 (en) | Photographing lens of a camera having a mask for blocking off noise light which generates in relation to a non-circular lens | |
| US4188102A (en) | Mirror reflex camera with electronic rangefinder | |
| JPH0621898B2 (en) | Shooting optics | |
| JPS6144244B2 (en) | ||
| JPS63169608A (en) | Zoom lens barrel for automatic focusing | |
| JP2701512B2 (en) | Imaging device having reflection system | |
| JP3359127B2 (en) | Fundus camera | |
| KR100469093B1 (en) | Off-axis reflector | |
| US5953548A (en) | Inverted galilean type variable magnification zoom finder | |
| JP3984679B2 (en) | Light receiving element position adjustment device | |
| JPH10123589A (en) | Finder equipped with photometric system | |
| JP4077920B2 (en) | Camera with focus detection function | |
| KR100338596B1 (en) | Optical element, holding structure for optical element, and image pickup apparatus | |
| JP2022170573A (en) | Optical system and image capturing device | |
| JP2000147603A (en) | Single-lens reflex type camera | |
| JPH0336987Y2 (en) | ||
| JPH04338711A (en) | Focus detector | |
| JPH0310231A (en) | Finder optical system variable in observation direction | |
| JPH04295333A (en) | Optical system with relay lens | |
| JPS62194242A (en) | Interchangeable lens barrel | |
| JPS62194243A (en) | Interchangeable lens barrel |