The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 2021
Filed:
Oct. 07, 2019
Applicant:
Tamron Co., Ltd., Saitama, JP;
Inventors:
Takayuki Noda, Saitama, JP;
Yasuhiko Obikane, Saitama, JP;
Assignee:
TAMRON CO., LTD., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/60 (2006.01); G02B 13/00 (2006.01); G02B 23/24 (2006.01); A61B 1/00 (2006.01); G02B 13/18 (2006.01); G02B 13/04 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 9/60 (2013.01); G02B 13/0015 (2013.01); A61B 1/00163 (2013.01); G02B 5/005 (2013.01); G02B 13/0045 (2013.01); G02B 13/04 (2013.01); G02B 13/18 (2013.01); G02B 23/243 (2013.01);
Abstract
An imaging optical system includes, in order from an object side, a first lens having negative refractive power, a second lens having positive refractive power, a third lens having positive refractive power, a fourth lens and a fifth lens, with the fourth lens and the fifth lens not cemented, in which a predetermined conditional expressions is satisfied.