JPS6332174B2 - - Google Patents

Info

Publication number
JPS6332174B2
JPS6332174B2 JP6461877A JP6461877A JPS6332174B2 JP S6332174 B2 JPS6332174 B2 JP S6332174B2 JP 6461877 A JP6461877 A JP 6461877A JP 6461877 A JP6461877 A JP 6461877A JP S6332174 B2 JPS6332174 B2 JP S6332174B2
Authority
JP
Japan
Prior art keywords
diffraction
order
grating
image
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP6461877A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54626A (en
Inventor
Norio Shiotake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP6461877A priority Critical patent/JPS54626A/ja
Publication of JPS54626A publication Critical patent/JPS54626A/ja
Publication of JPS6332174B2 publication Critical patent/JPS6332174B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Viewfinders (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP6461877A 1977-06-03 1977-06-03 Focus detecting plate using diffraction grating Granted JPS54626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6461877A JPS54626A (en) 1977-06-03 1977-06-03 Focus detecting plate using diffraction grating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6461877A JPS54626A (en) 1977-06-03 1977-06-03 Focus detecting plate using diffraction grating

Publications (2)

Publication Number Publication Date
JPS54626A JPS54626A (en) 1979-01-06
JPS6332174B2 true JPS6332174B2 (cs) 1988-06-28

Family

ID=13263418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6461877A Granted JPS54626A (en) 1977-06-03 1977-06-03 Focus detecting plate using diffraction grating

Country Status (1)

Country Link
JP (1) JPS54626A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968728A (ja) * 1982-10-12 1984-04-18 Canon Inc 原稿検出装置
JP2020134738A (ja) * 2019-02-21 2020-08-31 株式会社小糸製作所 光学素子および画像表示装置

Also Published As

Publication number Publication date
JPS54626A (en) 1979-01-06

Similar Documents

Publication Publication Date Title
JPS6337365B2 (cs)
JPS6318166B2 (cs)
US3453035A (en) Optical system with diffraction grating screen
US5212514A (en) Camera having a focus detecting optical system
US4338012A (en) Focusing screen
JPS58106511A (ja) 合焦検知用光学系
US5212375A (en) Camera focus detection system using holographic beam splitter
US4443088A (en) Focusing screen
JPS6365923B2 (cs)
JPS6332174B2 (cs)
GB1578367A (en) Camera incorporating focussing means
JPH0323896B2 (cs)
JPS58199317A (ja) 一眼レフカメラ用アタツチメント光学系
US4336989A (en) Focusing screen
JP4439626B2 (ja) 光学機器
JPH02120712A (ja) 焦点検出装置
JPH01140108A (ja) 焦点検出装置
JPS6119017B2 (cs)
JPS62298704A (ja) 光学式測長装置
GB2065919A (en) Focusing screen
JP2600823B2 (ja) 焦点検出装置
SU1191872A1 (ru) Способ определени положени плоскости наводки зеркального фотоаппарата
JPH04147207A (ja) 焦点検出装置
US4771304A (en) Focusing screen
JPH0332053B2 (cs)