Optical method and system for extended depth of focus

Z Zalevsky - US Patent 7,061,693, 2006 - Google Patents
R; diffractive optical element defining a spatially low frequency phase transition. The optical
element and the imaging lens define a predetermined pattern formed by spaced-apart Sub …
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Optical method and system for extended depth of focus

Z Zalevsky - US Patent App. 10/974,943, 2006 - Google Patents
An imaging arrangement and method for extended the depth of focus are provided. The
imaging arrangement comprises an imaging lens having a certain affective aperture, and an …

Optical method and system for extended depth of focus

Z Zalevsky - US Patent 7,061,693, 2006 - freepatentsonline.com
An imaging arrangement and method for extended the depth of focus are provided. The
imaging arrangement comprises an imaging lens having a certain affective aperture, and an …

OPTICAL METHOD AND SYSTEM FOR EXTENDED DEPTH OF FOCUS

Z Zalevsky - US Patent App. 10/974,943, 2006 - freepatentsonline.com
An imaging arrangement and method for extended the depth of focus are provided. The
imaging arrangement comprises an imaging lens having a certain affective aperture, and an …