Photo eyepiece for endoscopes

Details Photo eyepiece for endoscopes Photo eyepiece for endoscopes

1978-11-07

1981-08-25

Corbin, John K.

G02B 934, G02B 2500

Patent

active

042855780

ABSTRACT:
A photo eyepiece for endoscopes comprising at least two cemented lens components, i.e., a first cemented lens component and a second cemented lens component, having a large numerical aperture and, in spite of this merit, corrected very favorably in characteristics of spherical aberration, lateral chromatic aberration and curvature of field.

REFERENCES:
patent: 3823999 (1974-07-01), Versteeg

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