FR2025931A1 - - Google Patents

Info

Publication number
FR2025931A1
FR2025931A1 FR6939973A FR6939973A FR2025931A1 FR 2025931 A1 FR2025931 A1 FR 2025931A1 FR 6939973 A FR6939973 A FR 6939973A FR 6939973 A FR6939973 A FR 6939973A FR 2025931 A1 FR2025931 A1 FR 2025931A1
Authority
FR
France
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
Application number
FR6939973A
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.)
VISION ENG
Original Assignee
VISION ENG
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 VISION ENG filed Critical VISION ENG
Publication of FR2025931A1 publication Critical patent/FR2025931A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens
    • G02B21/20—Binocular arrangements
    • G02B21/22—Stereoscopic arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
    • G02B21/364—Projection microscopes
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Astronomy & Astrophysics (AREA)
  • Microscoopes, Condenser (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Lenses (AREA)
FR6939973A 1968-12-12 1969-11-20 Pending FR2025931A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5913768A GB1275917A (en) 1968-12-12 1968-12-12 Improvements in high magnification optical apparatus

Publications (1)

Publication Number Publication Date
FR2025931A1 true FR2025931A1 (fr) 1970-09-11

Family

ID=10483127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6939973A Pending FR2025931A1 (fr) 1968-12-12 1969-11-20

Country Status (9)

Country Link
JP (1) JPS5019936B1 (fr)
BE (1) BE741175A (fr)
CH (1) CH507525A (fr)
DE (1) DE1962223B2 (fr)
FR (1) FR2025931A1 (fr)
GB (1) GB1275917A (fr)
IE (1) IE33592B1 (fr)
NL (1) NL142790B (fr)
SE (1) SE379100B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384575A1 (fr) * 1989-01-24 1990-08-29 Vision Engineering Limited Instrument optique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099831A (en) * 1971-11-29 1978-07-11 Vision Engineering, Ltd. High magnification optical apparatus with rotatable reflective lenticulated surface
GB1586701A (en) * 1977-01-20 1981-03-25 Vision Eng Ltd Disc with line transmitters
US6608720B1 (en) 1997-06-02 2003-08-19 Robin John Freeman Optical instrument and optical element thereof
GB2464953A (en) * 2008-10-30 2010-05-05 Vision Eng Optical instrument comprising an arrangement to increase the exit pupil size.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384575A1 (fr) * 1989-01-24 1990-08-29 Vision Engineering Limited Instrument optique

Also Published As

Publication number Publication date
NL142790B (nl) 1974-07-15
DE1962223A1 (de) 1970-07-09
DE1962223B2 (de) 1976-01-29
BE741175A (fr) 1970-04-16
IE33592B1 (en) 1974-08-21
CH507525A (de) 1971-05-15
SE379100B (fr) 1975-09-22
JPS5019936B1 (fr) 1975-07-10
GB1275917A (en) 1972-06-01
IE33592L (en) 1970-06-12
NL6918219A (fr) 1970-06-16

Similar Documents

Publication Publication Date Title
AU428130B2 (fr)
AU6168869A (fr)
JPS5019936B1 (fr)
AU429879B2 (fr)
AU416157B2 (fr)
AU2581067A (fr)
AU4811568A (fr)
AU421558B1 (fr)
AU3789668A (fr)
AU3224368A (fr)
AU2580267A (fr)
AU4744468A (fr)
BE728697A (fr)
AU4503667A (fr)
BE727671A (fr)
BE727454A (fr)
BE727273A (fr)
AU4270368A (fr)
BE727258A (fr)
BE726869A (fr)
BE728436A (fr)
BE728682A (fr)
BE726654A (fr)
AU3083868A (fr)
BE726618A (fr)

Legal Events

Date Code Title Description
AR Application made for restoration
JD Different final judgements