JPS57155511A - Finder optical system - Google Patents

Finder optical system

Info

Publication number
JPS57155511A
JPS57155511A JP4112881A JP4112881A JPS57155511A JP S57155511 A JPS57155511 A JP S57155511A JP 4112881 A JP4112881 A JP 4112881A JP 4112881 A JP4112881 A JP 4112881A JP S57155511 A JPS57155511 A JP S57155511A
Authority
JP
Japan
Prior art keywords
light beam
eccentric
optical system
concave objective
finder optical
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
JP4112881A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0219930B2 (enrdf_load_stackoverflow
Inventor
Akira Tanabe
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP4112881A priority Critical patent/JPS57155511A/ja
Publication of JPS57155511A publication Critical patent/JPS57155511A/ja
Publication of JPH0219930B2 publication Critical patent/JPH0219930B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Viewfinders (AREA)
  • Telescopes (AREA)
JP4112881A 1981-03-20 1981-03-20 Finder optical system Granted JPS57155511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4112881A JPS57155511A (en) 1981-03-20 1981-03-20 Finder optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4112881A JPS57155511A (en) 1981-03-20 1981-03-20 Finder optical system

Publications (2)

Publication Number Publication Date
JPS57155511A true JPS57155511A (en) 1982-09-25
JPH0219930B2 JPH0219930B2 (enrdf_load_stackoverflow) 1990-05-07

Family

ID=12599797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4112881A Granted JPS57155511A (en) 1981-03-20 1981-03-20 Finder optical system

Country Status (1)

Country Link
JP (1) JPS57155511A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131737U (ja) * 1983-02-23 1984-09-04 ブロニカ株式会社 フアインダ−情報の検視装置
US5761553A (en) * 1994-12-22 1998-06-02 Canon Kabushiki Kaisha Photographing device including viewfinder optical system having lens with asymmetrical dimensions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131737U (ja) * 1983-02-23 1984-09-04 ブロニカ株式会社 フアインダ−情報の検視装置
US5761553A (en) * 1994-12-22 1998-06-02 Canon Kabushiki Kaisha Photographing device including viewfinder optical system having lens with asymmetrical dimensions

Also Published As

Publication number Publication date
JPH0219930B2 (enrdf_load_stackoverflow) 1990-05-07

Similar Documents

Publication Publication Date Title
JPS52117126A (en) Telephoto lens system
ES8305944A1 (es) Cristal para gafas de alto valor positivo de refraccion.
JPS54126531A (en) Diopter adjusting eyepiece lens and finder of single lens reflex camera using this
SE8101437L (sv) Oftalmiatrisk lins for korrigering av presbyopi
JPS57122413A (en) Zoom lens
JPS57168214A (en) Albada finder
EP0336073A3 (en) Telescopic ophthalmic lens
JPS5432318A (en) Lens for micro-reduction photography
JPS57155511A (en) Finder optical system
JPS5260619A (en) Finder optical system
JPS54622A (en) Copying lens
JPS52130631A (en) Photographic lens of large aperture and super wide angle
JPS57168235A (en) Photometric optical system of single-lens reflex camera
JPS5667822A (en) Focal diaphragm
JPS55166632A (en) Finder for single-lens reflex camera
JPS5321926A (en) Lens for projection and photography
JPS53105223A (en) Optical system of distance detector for automatic focusing
JPS52146620A (en) Gauss type lens
JPS5713435A (en) Inverted galilean finder of albada type
JPS5754931A (en) View finder for single-lens reflex camera
JPS642795A (en) Monitoring device for carbonic acid gas laser beam machining
JPS57167001A (en) Construction of optical curved mirror surface body
JPS556309A (en) Soft focus attachment lens
JPS5785033A (en) Reflection photometric device of single-lens reflex camera
JPS5567732A (en) Finder optical system