Eyepiece lens system

Details Eyepiece lens system Eyepiece lens system

1998-05-20

2000-10-10

Sugarman, Scott J.

Optical: systems and elements

Lens

Eyepiece

359570, 359574, 359644, 359645, G02B 2500, G02B 518

Patent

active

061307858

ABSTRACT:
There is provided an eyepiece lens system for viewing an image formed by an objective lens system. The eyepiece lens system includes a first refraction lens having a positive power, a second refraction lens having a positive power and at least one diffraction lens having a phase grating structure. The first and second lenses are arranged on an eye side with respect to a plane on which the image is formed.

REFERENCES:
patent: 5151823 (1992-09-01), Chen
patent: 5446588 (1995-08-01), Missig et al.
E. Brown, "Modern Optics" (New York: Reinhold Publishing Corporation, 1965), pp. 239-243.
Stone et al., "Hybrid diffractive-refractive lenses and achromats", "Applied Optics", vol. 27, No. 14, Jul. 15, 1998, pp. 2960-2971.

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