Title:
POLARIZING FILTER WITH NOTCH
Document Type and Number:
Japanese Patent JP2011113078
Kind Code:
A
Abstract:
To facilitate operation of a polarizing filter that is difficult in an attaching state of a lens hood in photography.
In the polarizing filter, a plurality of notches are disposed in a tip circumference part at a constant interval of about 10 mm according to the diameter.
Inventors:
SHIMURA TOSHIAKI
Application Number:
JP2009284513A
Publication Date:
June 09, 2011
Filing Date:
November 25, 2009
Export Citation:
Assignee:
SHIMURA TOSHIAKI
International Classes:
G03B11/00; G02B5/30; G03B11/04