Patent · US Expired

Six-component microscope objective

US4384765A · kind A · utility

1Cited by
2References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 16, 1981
Grant dateMay 24, 1983
Priority date
Expiry dateNov 16, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B21/02
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An infinity-corrected, semi-apochromatic microscope objective having an N.A. of 0.95 has five elements and provides a magnification of 100.times. when used with a telescope objective having an effective focal length (efl) of 183 mm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.