Objective lens system for use within microscope

Optical: systems and elements – Having significant infrared or ultraviolet property – Lens – lens system or component

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Details

359350, 359658, 359659, G02B 2116

Patent

active

051444755

ABSTRACT:
An objective lens system for use within a microscope includes six lenses which are spaced apart from an object side. The first, the third and the fifth lenses are made of quartz, the fourth and the sixth lenses are made of fluorite, while the second lens is made of either quartz or fluorite. The system transmits ultraviolet and/or far ultraviolet light is simply constructed and corrects chromatic aberration.

REFERENCES:
patent: 4283123 (1981-08-01), Tojyo
patent: 4461546 (1984-07-01), Muffoletto et al.
patent: 4770477 (1988-09-01), Shafer

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