Microscope objective

Details Microscope objective Microscope objective

1967-09-01

1977-03-01

Schonberg, David

350214, G02b 2102, G02b 962, G02b 964

Patent

active

040099458

ABSTRACT:
A microscope objective of the strong, dry type wherein the lenses at the object end of the system are particularly small and wherein the curvature of the field is corrected and the image field is flattened by a front lens consisting of a thick meniscus lens is improved to overcome manufacturing and correction difficulties by providing lenses to first widen and then narrow the path of the bundle of rays from the thick meniscus lens and simultaneously to correct aberrations, particularly for large view fields. The objective of this invention is designed for use with medium and high apertures.

REFERENCES:
patent: 1761441 (1930-06-01), Foster
patent: 2644362 (1953-07-01), Ravizza et al.
patent: 3380793 (1968-04-01), Klein

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