Fluid immersion microscope objective lens

Optical: systems and elements – Lens – Microscope objective

Patent

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Details

G02B 2102

Patent

active

058053468

ABSTRACT:
Fluid-immersion microscope objective lenses are disclosed having simple construction, good image-plane flatness and ease of manufacturability. The most objectwise lens surface intended to contact the immersion fluid during use has a negative refractive power, and is preferably concave. The objective lens satisfies certain quantitative criteria.

REFERENCES:
patent: 2206155 (1940-07-01), Boegehold
patent: 3530436 (1970-09-01), Bertele et al.

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