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Patent Searching and Data


Title:
TAKING LENS
Document Type and Number:
Japanese Patent JP2001272598
Kind Code:
A
Abstract:

To provide a taking lens where chromatic aberration of magnification and other aberration are excellently compensated, which can be used to an extent that a half viewing angle is about 32.5° and which is suitable to use an imaging element though it is constituted of three lenses.

This taking lens is constituted of a 1st negative meniscus lens whose convex surface faces to an object side, a 2nd positive lens and a 3rd negative meniscus lens whose concave surface faces to an image side from the object side.


Inventors:
MORI NOBUYOSHI
SATO MASAE
Application Number:
JP2000088779A
Publication Date:
October 05, 2001
Filing Date:
March 28, 2000
Export Citation:
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Assignee:
KONISHIROKU PHOTO IND
International Classes:
G02B13/04; G02B13/18; (IPC1-7): G02B13/04; G02B13/18