Compact auto-focus image taking lens system with a...

Details Compact auto-focus image taking lens system with a... Compact auto-focus image taking lens system with a...

2008-07-22

2009-10-20

Collins, Darryl J (Department: 2873)

Optical: systems and elements

Lens

With reflecting element

C359S737000

Reexamination Certificate

active

07605989

ABSTRACT:
A compact auto-focus image taking lens system with a Micromirror Array Lens and a lens-surfaced prism of the present invention comprises a lens-surfaced prism, an aperture stop, a first lens element, a second lens element, a Micromirror Array Lens, and an image surface, optionally an infrared cut-off filter. By introducing a Micromirror Array Lens and a lens-surfaced prism, the compact auto-focus image taking lens system with a Micromirror Array Lens and a lens-surfaced prism of the present invention has many advantages over the prior arts in the field of invention, such as compactness in thickness, small number of optical elements, high performance of optical quality, fast focusing speed, low power consumption, enough space for optional elements such as an infrared cut-off filter and diversity in optical geometries.

REFERENCES:
patent: 7006132 (2006-02-01), Pereira et al.
patent: 2006/0092524 (2006-05-01), Konno
patent: 2008/0291543 (2008-11-01), Nomura et al.

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