JPS57173812A - Projecting zoom lens with incorporated half-mirror - Google Patents

Projecting zoom lens with incorporated half-mirror

Info

Publication number
JPS57173812A
JPS57173812A JP56058594A JP5859481A JPS57173812A JP S57173812 A JPS57173812 A JP S57173812A JP 56058594 A JP56058594 A JP 56058594A JP 5859481 A JP5859481 A JP 5859481A JP S57173812 A JPS57173812 A JP S57173812A
Authority
JP
Japan
Prior art keywords
group
mirror
variation
image surface
zoom 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.)
Granted
Application number
JP56058594A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6119971B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Miyamae
Makoto Sakano
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP56058594A priority Critical patent/JPS57173812A/ja
Publication of JPS57173812A publication Critical patent/JPS57173812A/ja
Publication of JPS6119971B2 publication Critical patent/JPS6119971B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
    • G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
    • G02B15/145121—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive arranged +-+-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Microscoopes, Condenser (AREA)
  • Lenses (AREA)
JP56058594A 1981-04-20 1981-04-20 Projecting zoom lens with incorporated half-mirror Granted JPS57173812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56058594A JPS57173812A (en) 1981-04-20 1981-04-20 Projecting zoom lens with incorporated half-mirror

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56058594A JPS57173812A (en) 1981-04-20 1981-04-20 Projecting zoom lens with incorporated half-mirror

Publications (2)

Publication Number Publication Date
JPS57173812A true JPS57173812A (en) 1982-10-26
JPS6119971B2 JPS6119971B2 (enrdf_load_stackoverflow) 1986-05-20

Family

ID=13088810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56058594A Granted JPS57173812A (en) 1981-04-20 1981-04-20 Projecting zoom lens with incorporated half-mirror

Country Status (1)

Country Link
JP (1) JPS57173812A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5978150A (en) * 1995-06-01 1999-11-02 Nikon Corporation Zoom lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5978150A (en) * 1995-06-01 1999-11-02 Nikon Corporation Zoom lens

Also Published As

Publication number Publication date
JPS6119971B2 (enrdf_load_stackoverflow) 1986-05-20

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