[go: up one dir, main page]

JPS5313920A - Focal plate for single lens reflex camera - Google Patents

Focal plate for single lens reflex camera

Info

Publication number
JPS5313920A
JPS5313920A JP8800776A JP8800776A JPS5313920A JP S5313920 A JPS5313920 A JP S5313920A JP 8800776 A JP8800776 A JP 8800776A JP 8800776 A JP8800776 A JP 8800776A JP S5313920 A JPS5313920 A JP S5313920A
Authority
JP
Japan
Prior art keywords
single lens
lens reflex
reflex camera
focal plate
focal
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.)
Granted
Application number
JP8800776A
Other languages
Japanese (ja)
Other versions
JPS6029094B2 (en
Inventor
Yukio Okano
Takao Yamaguchi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP51088007A priority Critical patent/JPS6029094B2/en
Publication of JPS5313920A publication Critical patent/JPS5313920A/en
Publication of JPS6029094B2 publication Critical patent/JPS6029094B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Viewfinders (AREA)

Abstract

PURPOSE: To prevent the discrepancy of an image at the surrounding of the center of a focal plate by providing a convexed curve region at the center of a Fresnel lens plane.
COPYRIGHT: (C)1978,JPO&Japio
JP51088007A 1976-07-23 1976-07-23 Focus plate for single-lens reflex camera Expired JPS6029094B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51088007A JPS6029094B2 (en) 1976-07-23 1976-07-23 Focus plate for single-lens reflex camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51088007A JPS6029094B2 (en) 1976-07-23 1976-07-23 Focus plate for single-lens reflex camera

Publications (2)

Publication Number Publication Date
JPS5313920A true JPS5313920A (en) 1978-02-08
JPS6029094B2 JPS6029094B2 (en) 1985-07-09

Family

ID=13930738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51088007A Expired JPS6029094B2 (en) 1976-07-23 1976-07-23 Focus plate for single-lens reflex camera

Country Status (1)

Country Link
JP (1) JPS6029094B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151231U (en) * 1983-03-28 1984-10-09 株式会社酒井特殊カメラ製作所 large camera focusing glass
JPS606931A (en) * 1984-02-21 1985-01-14 Olympus Optical Co Ltd Focusing screen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833304U (en) * 1971-08-24 1973-04-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833304U (en) * 1971-08-24 1973-04-21

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151231U (en) * 1983-03-28 1984-10-09 株式会社酒井特殊カメラ製作所 large camera focusing glass
JPS606931A (en) * 1984-02-21 1985-01-14 Olympus Optical Co Ltd Focusing screen

Also Published As

Publication number Publication date
JPS6029094B2 (en) 1985-07-09

Similar Documents

Publication Publication Date Title
JPS5426721A (en) Trimming information recording camera
JPS53113527A (en) Camera for definite multiplication image in the variable multiplicaton lens system
JPS52110033A (en) Single lens reflex camera
JPS5243422A (en) Finder for camera of large size picture
JPS51120725A (en) Automatic forcusing camera
JPS52138924A (en) Focal detector
JPS52135727A (en) Focus adjusting method and system for focal plane of finder of single lens reflex camera
JPS5313920A (en) Focal plate for single lens reflex camera
JPS52117127A (en) Iris diaphragm
JPS52143847A (en) Optical lens
JPS525520A (en) Ophthalmo funduscopic camera
JPS51128523A (en) An optical system for the retinal camera
JPS51134124A (en) Character co-photographing device for the single lens reflex camera
JPS5210126A (en) Focus adjusting device for camera
JPS52102040A (en) Additional photographing
JPS52108116A (en) Protector for photographic lens
JPS5333624A (en) Camera containing auxiliary lens attachment device
JPS5241531A (en) Finder for single lens relex camera
JPS52102715A (en) Eye camera having built-in fixed target
JPS53131031A (en) Operation cnontroller for copying apparatus
JPS5425725A (en) Construction of camera body for single lens reflex camera
JPS53122422A (en) Single lens reflex camera
JPS5329123A (en) Small movie projector
JPS51139329A (en) Attachment lens for widening angle
JPS5235630A (en) Enlarging optical system for finder