Optical system for focusing an object up on an image surface of

Details Optical system for focusing an object up on an image surface of Optical system for focusing an object up on an image surface of

1997-06-04

1999-12-07

Epps, Georgia

Optical: systems and elements

Single channel simultaneously to or from plural channels

359740, 359750, G02B 2710, G02B 900, G02B 1304

Patent

active

059993243

ABSTRACT:
An optical system focuses an object upon an image surface of a solid-state image device. The optical system has a master optical system and a condenser lens. The master optical system and the condenser lens both have positive optical power. The focusing optical system fulfills the following conditions: ##EQU1## where a represents the distance between the exit pupil of the master optical system and the image surface;

REFERENCES:
patent: 4482218 (1984-11-01), Tanaka
patent: 5331465 (1994-07-01), Miyano

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