Multifocal birefringent lens system

Optical: systems and elements – Polarization without modulation – Depolarization

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Details

351161, 351168, 359495, G02B 108, G02C 706

Patent

active

051424118

ABSTRACT:
A multifocal birefringent lens system is described together with applications of the lens system such as ophthalmic lenses (including those of the intraocular, contact and spectacle type) and optical instruments and devices including photographic cameras, telescopes, microscopes, copiers, spectrographic instruments, etc.

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