Optical system, and image pick-up apparatus using the same

Details Optical system, and image pick-up apparatus using the same Optical system, and image pick-up apparatus using the same

2007-04-17

2007-04-17

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Having significant infrared or ultraviolet property

Having ultraviolet absorbing or shielding property

C359S354000, C359S581000, C359S569000

Reexamination Certificate

active

11039785

ABSTRACT:
An optical system including a diffractive optical element, and an optical member for suppressing incidence of ultraviolet radiation on the diffractive optical element is disclosed. The optical member is disposed on a light incident side of the diffractive optical element. The optical member has optical power to achieve an optical system that has high optical performance and preferable environmental durability.

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