Eyepiece lens

Details Eyepiece lens Eyepiece lens

1996-06-12

1999-11-16

Epps, Georgia

Optical: systems and elements

Lens

Eyepiece

359646, 359654, 359793, G02B 300, G02B 2500, G02B 904

Patent

active

059868171

ABSTRACT:
An eyepiece lens comprising a single gradient-index lens having a positive refracting power, or comprising a radial gradient-index lens having a positive refracting power, and a field lens, wherein the following Eqs. are satisfied:

REFERENCES:
patent: 4730905 (1988-03-01), Takada
patent: 4735491 (1988-04-01), Takahashi
patent: 5182672 (1993-01-01), Mukai et al.
patent: 5523885 (1996-06-01), Aoki
Applied Optics, Apr. 1, 1980, vol. 19, No. 7, pp. 1081-1086.
Applied Optics, Mar. 15, 1982, vol. 21, No. 6, pp. 993-998.
Applied Optics, Feb. 1, 1983, vol. 22, No. 3, pp. 407-412.

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