HK21381A - Drawing attachment - Google Patents

Drawing attachment

Info

Publication number
HK21381A
HK21381A HK213/81A HK21381A HK21381A HK 21381 A HK21381 A HK 21381A HK 213/81 A HK213/81 A HK 213/81A HK 21381 A HK21381 A HK 21381A HK 21381 A HK21381 A HK 21381A
Authority
HK
Hong Kong
Prior art keywords
drawing attachment
attachment
Prior art date
Application number
HK213/81A
Other languages
English (en)
Inventor
A E Shoemaker
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of HK21381A publication Critical patent/HK21381A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
HK213/81A 1975-11-14 1981-05-21 Drawing attachment HK21381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/631,809 US4000935A (en) 1975-11-14 1975-11-14 Drawing attachment having a focusing system, power changer system and a telescope for a microscope

Publications (1)

Publication Number Publication Date
HK21381A true HK21381A (en) 1981-05-29

Family

ID=24532830

Family Applications (1)

Application Number Title Priority Date Filing Date
HK213/81A HK21381A (en) 1975-11-14 1981-05-21 Drawing attachment

Country Status (6)

Country Link
US (1) US4000935A (de)
AT (1) AT355342B (de)
CA (1) CA1078231A (de)
DE (1) DE2648857C2 (de)
GB (1) GB1501840A (de)
HK (1) HK21381A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3225353C1 (de) * 1982-06-29 1983-10-20 C. Reichert Optische Werke AG, 1170 Wien Zeichenapparat oder Makrophotoeinrichtung fuer ein gestuerztes Mikroskop
KR101042640B1 (ko) * 2004-07-13 2011-06-20 삼성전자주식회사 줌렌즈 광학계
US9182579B2 (en) 2005-11-21 2015-11-10 Syt Technologies Device for taking long-distance images

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152214A (en) * 1962-02-19 1964-10-06 Bausch & Lomb Optical system for zoom type telescope having mirror and finder objectives
US3649101A (en) * 1970-09-08 1972-03-14 Eastman Kodak Co Zoom lens
AT323442B (de) * 1972-09-05 1975-07-10 Reichert Optische Werke Ag Zeicheneinrichtung für mikroskope

Also Published As

Publication number Publication date
DE2648857A1 (de) 1977-05-18
ATA826376A (de) 1979-07-15
US4000935A (en) 1977-01-04
GB1501840A (en) 1978-02-22
AT355342B (de) 1980-02-25
DE2648857C2 (de) 1985-10-24
CA1078231A (en) 1980-05-27

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