Importance

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Abstract

An optical system is presented for use in an augmented reality imaging system. The optical system comprises a light directing device, and a projecting optical device. The light directing device is configured for directing input light, including light indicative of an augmented image to be projected and input light indicative of a real image of an external scene, to propagate to an imaging plane. The projecting optical device has a fixed field of view and has a plurality of different focal parameters at different regions thereof corresponding to different vision zones within the field of view. The projecting optical device is configured to affect propagation of at least one of light indicative of the augmented image and light indicative of the real image, such that, for each of the different regions, interaction of a part of the light indicative of the augmented image and a part of the light indicative of the real image with said region of projecting optical device directs the parts of augmented image light and real image along a substantially common output propagation path, corresponding to the focal parameter of said region.

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First Claim