Microscope objective

Details Microscope objective Microscope objective

1988-04-25

1991-03-19

Dzierzynski, Paul M.

G02B 2102

Patent

active

050005480

ABSTRACT:
A finite conjugate imaging system useful as a microscope objective comprises four lens elements (10), (11), (12), and (13) disposed coaxially along an optic axis. Lens elements (10) and (12) are made of Hoya LAC7 glass, and lens elements (11) and (13) are made of calcium fluoride crystal. The radii of curvature of the lens elements and the separations between adjacent lens elements are prescribed so as to obtain color correction of the system at five discrete wavelengths.

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