Objective optical system for endoscopes

Details Objective optical system for endoscopes Objective optical system for endoscopes

1980-08-01

1982-10-19

Corbin, John K.

350415, 350416, 350480, A61B 100, G02B 1322

Patent

active

043547346

ABSTRACT:
An objective optical system for endoscopes comprising an objective and image guide for transmitting an image of an object formed by the objective, the objective comprising a first lens component consisting of a cover glass and plano-covex lens, which are cemented together by arranging a stop between them, and a second lens component which is a plano-convex lens arranged toward the object side, the objective optical system for endoscopes enabling to observe with a wide field angle.

REFERENCES:
patent: 4102559 (1978-07-01), Hunzinger
Suzuki, Photographic Lens Handbook, 2/78.

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