Telecentric singlet having a small height requirement

Details Telecentric singlet having a small height requirement Telecentric singlet having a small height requirement

2006-09-05

2006-09-05

Mai, Huy (Department: 2873)

Optical: systems and elements

Lens

C359S708000, C359S718000

Reexamination Certificate

active

07102826

ABSTRACT:
A single lens that has a small spot size across a large field of view and a small height. The lens has a first surface for performing color correction functions and a second surface for primarily performing light ray bending functions. The first surface has diffraction efficiency improvement mechanism for improving the resolution of the lens. The lens also has a vignetting reducing mechanism for reducing the amount of vignetting in the corners of the image.

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patent: 11-183794 (1999-07-01), None
English Translation of the document JP11-183794.

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