Five-element optical device

Details Five-element optical device Five-element optical device

2006-12-26

2006-12-26

Schwartz, Jordan (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S643000

Reexamination Certificate

active

07154683

ABSTRACT:
An optical device with five air-spaced optical elements. An optical device in the form of an eyepiece is disclosed with a center negative lens and two outer positive lenses on each side of the intermediate negative lens. The eyepiece transmits light from an object to an exit pupil along angles corresponding to the position of a focus point on an object. In a preferred embodiment the positive lenses are identical.

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