CA1098352A - Magnifying optical system - Google Patents

Magnifying optical system

Info

Publication number
CA1098352A
CA1098352A CA295,266A CA295266A CA1098352A CA 1098352 A CA1098352 A CA 1098352A CA 295266 A CA295266 A CA 295266A CA 1098352 A CA1098352 A CA 1098352A
Authority
CA
Canada
Prior art keywords
grooves
optical system
discs
grooved
focal plane
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
Application number
CA295,266A
Other languages
English (en)
French (fr)
Inventor
Robin J. Freeman
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 ENGINEERING Ltd
Original Assignee
VISION ENGINEERING Ltd
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 ENGINEERING Ltd filed Critical VISION ENGINEERING Ltd
Application granted granted Critical
Publication of CA1098352A publication Critical patent/CA1098352A/en
Expired 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Microscoopes, Condenser (AREA)
  • Lenses (AREA)
CA295,266A 1977-01-20 1978-01-19 Magnifying optical system Expired CA1098352A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2285/77 1977-01-20
GB228577A GB1586701A (en) 1977-01-20 1977-01-20 Disc with line transmitters

Publications (1)

Publication Number Publication Date
CA1098352A true CA1098352A (en) 1981-03-31

Family

ID=9736875

Family Applications (1)

Application Number Title Priority Date Filing Date
CA295,266A Expired CA1098352A (en) 1977-01-20 1978-01-19 Magnifying optical system

Country Status (7)

Country Link
JP (1) JPS5393024A (sv)
CA (1) CA1098352A (sv)
CH (1) CH619791A5 (sv)
DE (1) DE2801262C2 (sv)
FR (1) FR2378293A1 (sv)
GB (1) GB1586701A (sv)
SE (1) SE425579B (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3224227C1 (de) * 1982-06-29 1983-12-15 C. Reichert Optische Werke AG, 1170 Wien Projektionseinrichtung fuer Mikroskope
FR2638858B1 (fr) * 1988-11-04 1991-02-08 Rossignol Gerard Dispositif opto-mecanique de projection d'images et d'observation en trois dimensions
US6028704A (en) * 1993-05-17 2000-02-22 Freeman; Robin John Optical instrument and optical element thereof
GB9310077D0 (en) * 1993-05-17 1993-06-30 Freeman Robin J Optical instrument
US6608720B1 (en) 1997-06-02 2003-08-19 Robin John Freeman Optical instrument and optical element thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453035A (en) * 1963-11-04 1969-07-01 Diffraction Ltd Inc Optical system with diffraction grating screen
GB1275917A (en) * 1968-12-12 1972-06-01 Vision Eng Improvements in high magnification optical apparatus
JPS5019936A (sv) * 1973-06-28 1975-03-03

Also Published As

Publication number Publication date
GB1586701A (en) 1981-03-25
SE425579B (sv) 1982-10-11
SE7714278L (sv) 1978-07-21
JPS5393024A (en) 1978-08-15
FR2378293A1 (fr) 1978-08-18
CH619791A5 (en) 1980-10-15
DE2801262A1 (de) 1978-07-27
FR2378293B3 (sv) 1980-10-03
DE2801262C2 (de) 1984-01-19

Similar Documents

Publication Publication Date Title
US5661603A (en) Image display apparatus including a first and second prism array
US5162941A (en) Confocal microscope
US5757544A (en) Image display apparatus
EP3610316B1 (en) Fixed focus image light guide with zoned diffraction gratings
US5742262A (en) Image display apparatus
US4602843A (en) Holographic diffusion screen and methods for the production thereof
US5481392A (en) Axial mirror scanner system and method
JPH0428091B2 (sv)
US5087116A (en) Reflective image display including a first mirror and a Fresnel mirror
EP0650606B1 (en) Optical instrument and optical element thereof
US4072395A (en) Microscope
CA1098352A (en) Magnifying optical system
JPH0882764A (ja) 光投射型システム
US6392811B1 (en) Arrangement for a wearable optomechanical deflector for a display unit
US6081372A (en) Stereoscopic microscope with convergent optics provided with a slot lamp for video recording
US4606609A (en) Projection screen
JP4739476B2 (ja) 光学器械
JP2594470B2 (ja) 無彩色走査装置
US4168106A (en) Pupil enlargement component for an optical device
JPH05119266A (ja) 高解像光顕微鏡用の照明系及び照明方法
JPH055329B2 (sv)
JPH03503323A (ja) 像を投影して３次元観察する光学装置
WO1996003670A1 (en) An apparatus for displaying an image
JP2958096B2 (ja) 実体顕微鏡
GB2159295A (en) Optical projection viewing system

Legal Events

Date Code Title Description
MKEX Expiry