JPS55106425A - Single-lens reflex camera - Google Patents

Single-lens reflex camera

Info

Publication number
JPS55106425A
JPS55106425A JP1400979A JP1400979A JPS55106425A JP S55106425 A JPS55106425 A JP S55106425A JP 1400979 A JP1400979 A JP 1400979A JP 1400979 A JP1400979 A JP 1400979A JP S55106425 A JPS55106425 A JP S55106425A
Authority
JP
Japan
Prior art keywords
finder
distance
focusing
lens
mirror
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.)
Pending
Application number
JP1400979A
Other languages
Japanese (ja)
Inventor
Masahiro Maeda
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 JP1400979A priority Critical patent/JPS55106425A/en
Publication of JPS55106425A publication Critical patent/JPS55106425A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To perform distance measurement of high accuracy and make the finder easy to see by providing a half mirror which reflects the light from a movable mirror to a distance-measuring element near the finder focal plane and in the central part of the finder.
CONSTITUTION: Part of light emitted from the peripheral part of a photograping lens 1 is reflected by a mirror 2 and half mirror 5 to respective directions and arrives at a distance-measuring element 6 by way of a relay lens 8. when focusing is matched, the focusing signal is displayed and the signal for stopping the lens movement is emitted. The subject image formed on the film plane is optically the same as the one having undergone distance measurement and focusing on the distance- measuring focal plane 7b positioned optically equivalent to said film plane, and therefore it becomes the focused and sharp image. With this constitution, there is no need for performing focal adjustment separately with the finder system and distance measuring system and therefore the finder operation may be done with ease.
COPYRIGHT: (C)1980,JPO&Japio
JP1400979A 1979-02-09 1979-02-09 Single-lens reflex camera Pending JPS55106425A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1400979A JPS55106425A (en) 1979-02-09 1979-02-09 Single-lens reflex camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1400979A JPS55106425A (en) 1979-02-09 1979-02-09 Single-lens reflex camera

Publications (1)

Publication Number Publication Date
JPS55106425A true JPS55106425A (en) 1980-08-15

Family

ID=11849199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1400979A Pending JPS55106425A (en) 1979-02-09 1979-02-09 Single-lens reflex camera

Country Status (1)

Country Link
JP (1) JPS55106425A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533226A (en) * 1982-03-30 1985-08-06 Robert Bosch Gmbh Still or motion picture camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533226A (en) * 1982-03-30 1985-08-06 Robert Bosch Gmbh Still or motion picture camera

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