Endoscope relay lens configuration

Details Endoscope relay lens configuration Endoscope relay lens configuration

1991-03-05

1992-03-17

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

With relay

359763, 359784, 359793, 359797, 128 6, G02B 2324, G02B 1104, G02B 904, G02B 960

Patent

active

050973592

ABSTRACT:
Relay lenses for endoscopy include an axially symmetrical three-part optical component having a thin symmetrical negative element interposed between identical, substantially spherical outside elements; and an axially symmetrical five-part optical component in which the three-part component described above is disposed between two additional outer components.

REFERENCES:
patent: 4148551 (1979-04-01), MacAnally
patent: 4354730 (1982-10-01), Bel
patent: 4545652 (1985-10-01), Hoogland
patent: 4575195 (1986-03-01), Hoogland
patent: 4779613 (1988-10-01), Hashiguchi et al.
patent: 5005960 (1991-04-01), Heimbeck

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