Microscope objective

Details Microscope objective Microscope objective

1981-02-19

1983-12-06

Corbin, John K.

G02B 2102

Patent

active

044189885

ABSTRACT:
A four-component microscope objective has a numerical aperture of 0.66. When used with a telescope objective as described in U.S. Pat. No. 3,355,234, the objective provides a magnification of 40X and is well corrected for the usual chromatic image aberrations, spherical aberration, coma and astigmatism.

REFERENCES:
patent: 3102158 (1963-08-01), Ruben
patent: 3355234 (1968-11-01), Muller
patent: 3437398 (1969-04-01), Muller et al.
patent: 3515463 (1970-06-01), Rosenberger
patent: 3623792 (1971-11-01), Uetake
patent: 3902791 (1975-09-01), Shoemaker
patent: 4251131 (1981-02-01), Tojo

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