JP5264395B2 - 天体望遠鏡 - Google Patents

天体望遠鏡 Download PDF

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Publication number
JP5264395B2
JP5264395B2 JP2008258253A JP2008258253A JP5264395B2 JP 5264395 B2 JP5264395 B2 JP 5264395B2 JP 2008258253 A JP2008258253 A JP 2008258253A JP 2008258253 A JP2008258253 A JP 2008258253A JP 5264395 B2 JP5264395 B2 JP 5264395B2
Authority
JP
Japan
Prior art keywords
optical system
focus correction
main focus
correction optical
lens
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.)
Expired - Fee Related
Application number
JP2008258253A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010091597A (ja
JP2010091597A5 (cg-RX-API-DMAC7.html
Inventor
直人 道塲
融 松田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2008258253A priority Critical patent/JP5264395B2/ja
Priority to US12/572,175 priority patent/US8427745B2/en
Publication of JP2010091597A publication Critical patent/JP2010091597A/ja
Publication of JP2010091597A5 publication Critical patent/JP2010091597A5/ja
Application granted granted Critical
Publication of JP5264395B2 publication Critical patent/JP5264395B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0852—Catadioptric systems having a field corrector only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/06—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors having a focussing action, e.g. parabolic mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/0068—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration having means for controlling the degree of correction, e.g. using phase modulators, movable elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
JP2008258253A 2008-10-03 2008-10-03 天体望遠鏡 Expired - Fee Related JP5264395B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008258253A JP5264395B2 (ja) 2008-10-03 2008-10-03 天体望遠鏡
US12/572,175 US8427745B2 (en) 2008-10-03 2009-10-01 Telescope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008258253A JP5264395B2 (ja) 2008-10-03 2008-10-03 天体望遠鏡

Publications (3)

Publication Number Publication Date
JP2010091597A JP2010091597A (ja) 2010-04-22
JP2010091597A5 JP2010091597A5 (cg-RX-API-DMAC7.html) 2011-11-17
JP5264395B2 true JP5264395B2 (ja) 2013-08-14

Family

ID=42075607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008258253A Expired - Fee Related JP5264395B2 (ja) 2008-10-03 2008-10-03 天体望遠鏡

Country Status (2)

Country Link
US (1) US8427745B2 (cg-RX-API-DMAC7.html)
JP (1) JP5264395B2 (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102253479B (zh) * 2011-07-29 2013-03-20 中国科学院光电技术研究所 一种主焦式折反光学系统
JP2014174310A (ja) * 2013-03-08 2014-09-22 Canon Inc 主焦点補正光学系及びそれを用いた反射望遠鏡
JP6238592B2 (ja) * 2013-06-24 2017-11-29 キヤノン株式会社 光学系の偏芯量算出方法及びそれを用いた光学系の調整方法
JP2015055719A (ja) * 2013-09-11 2015-03-23 キヤノン株式会社 反射望遠鏡
DE102016100252B4 (de) 2016-01-08 2020-01-16 Sypro Optics Gmbh Projektionssystem für Displayanwendungen
RU2650055C1 (ru) * 2017-02-08 2018-04-06 Акционерное общество "Новосибирский приборостроительный завод" Катадиоптрический телескоп

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61252519A (ja) * 1985-05-02 1986-11-10 Goto Kogaku Kenkyusho:Kk 抛物面鏡の補正レンズ
JP3057946B2 (ja) * 1993-01-29 2000-07-04 キヤノン株式会社 収差補正系及びそれを用いた天体望遠鏡
JPH11305131A (ja) * 1998-04-23 1999-11-05 Rikagaku Kenkyusho カタディオプトリック光学系
JP3595472B2 (ja) * 1999-11-25 2004-12-02 三菱電機株式会社 主焦点ユニット
US20060018012A1 (en) * 2004-07-26 2006-01-26 Smith John E Apparatus and methods for focusing and collimating telescopes
US8115994B2 (en) * 2007-07-10 2012-02-14 Lockheed Martin Corporation Scanning wide field telescope and method
JP5063243B2 (ja) * 2007-08-01 2012-10-31 キヤノン株式会社 主焦点補正光学系及びそれを用いた反射望遠鏡
JP5164620B2 (ja) * 2008-03-17 2013-03-21 キヤノン株式会社 主焦点補正光学系及びそれを用いた反射望遠鏡

Also Published As

Publication number Publication date
JP2010091597A (ja) 2010-04-22
US8427745B2 (en) 2013-04-23
US20100085634A1 (en) 2010-04-08

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