Image-capturing lens, image-capturing device and image...

Details Image-capturing lens, image-capturing device and image... Image-capturing lens, image-capturing device and image...

2007-03-27

2007-03-27

Spector, David N. (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C348S335000, C359S716000

Reexamination Certificate

active

10392966

ABSTRACT:
An image capturing lens to capture an image of an object is provided with an aperture diaphragm having an aperture through which an image is captured; a first lens having a positive refracting power, wherein both surfaces of the first lens are shaped in a convex form; a second lens having a negative refracting power, wherein an object-side surface of the second lens is shaped a convex form; and a third lens which is a meniscus lens whose convex surface faces toward the object side; wherein the aperture diaphragm, the firs lens, the second lens and the third lens are aligned in this order from the object side.

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Smith, Warren J., “Modern Optical Engineering,” McGraw-Hill, New York, XP002239380, pp. 141-143.

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