Title:
ファインダー光学系及び撮像装置
Document Type and Number:
Japanese Patent JP6934901
Kind Code:
B2
Abstract:
A finder optical system includes a display element and a diffractive optical element that is disposed on an eye point side of the display element so as to continue from the display element. The diffractive optical element includes a first base, a first layer that is laminated on the first base and includes a first diffractive optical surface on a surface thereof opposite to the first base, a second base, and a second layer that is laminated on the second base and includes a second diffractive optical surface on a surface thereof opposite to the second base. The first diffractive optical surface and the second diffractive optical surface are in close contact with each other.
Inventors:
Miyagijima Shunsuke
Application Number:
JP2019027566A
Publication Date:
September 15, 2021
Filing Date:
February 19, 2019
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B25/00; G02B5/18; G02B13/18
Domestic Patent References:
| JP2016224238A | ||||
| JP2014074814A | ||||
| JP2014074815A | ||||
| JP11044841A | ||||
| JP2008241734A | ||||
| JP2009198961A | ||||
| JP2001066522A | ||||
| JP10104533A |
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office