Invention Grant
- Patent Title: Eyepiece lens, viewfinder optical system and optical apparatus equipped with the same, and method for manufacturing eyepiece lens
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Application No.: US15062078Application Date: 2016-03-05
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Publication No.: US09753271B2Publication Date: 2017-09-05
- Inventor: Issei Tanaka , Hiroki Harada , Taku Matsuo
- Applicant: Nikon Corporation
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Shapiro, Gabor and Rosenberger, PLLC
- Priority: JP2011-289183 20111228
- Main IPC: G02B25/00
- IPC: G02B25/00 ; G02B23/14 ; G02B27/00 ; G02B13/18 ; G03B13/08 ; G02B1/11 ; G02B9/12 ; G02B1/115 ; G03B13/06 ; G02B9/56
Abstract:
An eyepiece lens (EL) used for a viewfinder optical system (VF) for viewing, using the eyepiece lens (EL), an image formed by an objective lens (OL), an image displayed by a display member, or an object, wherein an antireflection coating (101) is disposed on at least one surface among the optical surfaces constituting the eyepiece lens (EL), and the antireflection coating (101) includes at least one layer (101g) formed by a wet process.
Public/Granted literature
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