Optical system for deflecting image

Details Optical system for deflecting image Optical system for deflecting image

1989-06-06

1990-12-04

Arnold, Bruce Y.

Optics: measuring and testing

Range or remote distance finding

With photodetection

350475, 356248, G02B 2764

Patent

active

049749501

ABSTRACT:
An optical system comprising, from front to rear, a first lens group of positive power, a second lens group of negative power and a third lens group of positive power, wherein deflection of an image is made by parallel decentering the second lens group.

REFERENCES:
patent: 3942862 (1976-03-01), Furukawa et al.
patent: 4522471 (1985-06-01), Nishioka
patent: 4542961 (1985-09-01), Sato
patent: 4610514 (1986-09-01), Nakamura

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