Photography – Disposable or recyclable camera
Patent
1998-01-14
1999-04-06
Blankenship, Howard B.
Photography
Disposable or recyclable camera
396439, 359717, G03B 1702
Patent
active
058929843
ABSTRACT:
A photographic lens consists of a first meniscus lens element having a concave surface directed to the image, and a second meniscus lens element having a concave surface directed to the object, arranged in this order from the object side. Both surfaces of the first lens element are spherical, and at least one surface of the second lens element is aspherical. The absolute value of the focal length of the first lens is smaller than the absolute value of the focal length of the second lens.
REFERENCES:
patent: 5067803 (1991-11-01), Ohno
patent: 5631777 (1997-05-01), Mori
patent: 5689376 (1997-11-01), Lewis
patent: 5739965 (1998-04-01), Ohno
Blankenship Howard B.
Fuji Photo Film Co. , Ltd.
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