1979-03-22
1980-11-04
Sacher, Paul A.
350214, G02B 964, G02B 2102
Patent
active
042316375
ABSTRACT:
A seven-member microscope objective having a numerical aperture of 0.55 providing a magnification of substantially 40X in combination with a telescope objective as described in U.S. Pat. No. 3,355,234 is disclosed.
REFERENCES:
patent: 3806231 (1974-04-01), Taira
American Optical Corporation
Duggan Jeremiah J.
Sacher Paul A.
Spencer Alan H.
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