Imaging lens, imaging device, portable terminal, and method...

Details Imaging lens, imaging device, portable terminal, and method... Imaging lens, imaging device, portable terminal, and method...

2010-02-05

2011-10-04

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Lens

Single component with multiple elements

C359S717000, C359S718000, C359S793000, C359S797000

Reexamination Certificate

active

08031415

ABSTRACT:
An imaging lens (LN) includes one or two lens blocks (BK), and an aperture stop (ape). The lens block (BK) includes a plane-parallel lens substrate (LS) and a lens (L) formed of different materials. In the imaging lens (LN), a first lens block (BK1) disposed at the most object-side exerts a positive optical power, and a conditional formula defined by the absolute difference between the index of refraction of a first lens substrate (LS1) and the index of refraction of a lens (L[LS1o]) contiguous with an object-side substrate surface of the first lens substrate (LS) is fulfilled.

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patent: WO 2008/102775 (2008-08-01), None

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