Photo eyepiece for microscopes

Details Photo eyepiece for microscopes Photo eyepiece for microscopes

1978-06-15

1980-04-29

Sacher, Paul A.

350 45, 350223, G02B 300, G02B 2500

Patent

active

042003571

ABSTRACT:
A photo eyepiece for microscopes comprising a front lens group consisting of a first positive meniscus lens component, and a rear lens group consisting of a second positive single or cemented lens component, a third negative lens component and a fourth positive single or cemented lens component. Astigmatism, curvature of field, etc. are favorably corrected in said photo eyepiece so that it can form good images over a wide visual field of micrography.

REFERENCES:
patent: 2481688 (1949-09-01), Schade et al.
patent: 3176583 (1965-04-01), Klein
patent: 3838911 (1974-10-01), Ikeda
patent: 3848972 (1974-11-01), Nakamura

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