Eyepiece lens with image located in space between first and seco

Details Eyepiece lens with image located in space between first and seco Eyepiece lens with image located in space between first and seco

1997-12-30

1999-10-19

Epps, Georgia

Optical: systems and elements

Lens

Eyepiece

359643, G02B 2500

Patent

active

059698730

ABSTRACT:
An eyepiece lens is disclosed, in which the total number of constituent lenses is reduced but good optical performance is obtained by setting forth proper rules of design for optical parameters.

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patent: 5619379 (1997-04-01), Fukumoto
patent: 5684635 (1997-11-01), Sugawara
patent: 5757553 (1998-05-01), Sugawara

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