Lens with external aperture stop
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 28, 2001
Issued Date -
N/A
app pub date -
Sep 27, 1999
filing date -
Sep 7, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lens assembly particularly suited to use with high resolution digital cameras and other portable electronic devices. The lens includes a positive powered front group having one or two elements and a second, aberration correcting, rear group having in order from the front a bi-concave element, a meniscus element and a bi-concave element. The aperture stop plane is just in front of the front group. A combined operator and shutter device is positioned at the aperture stop plane. All of the lens elements are made of glass and have spherical surfaces.
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Cited Art Landscape
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