CH391454A - Einstellscheibe für Spiegelreflexkameras - Google Patents

Einstellscheibe für Spiegelreflexkameras

Info

Publication number
CH391454A
CH391454A CH779361A CH779361A CH391454A CH 391454 A CH391454 A CH 391454A CH 779361 A CH779361 A CH 779361A CH 779361 A CH779361 A CH 779361A CH 391454 A CH391454 A CH 391454A
Authority
CH
Switzerland
Prior art keywords
single lens
lens reflex
focusing screen
reflex cameras
cameras
Prior art date
Application number
CH779361A
Other languages
English (en)
Inventor
Friedrich Dipl Phys Papke
Original Assignee
Voigtlaender Ag
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 Voigtlaender Ag filed Critical Voigtlaender Ag
Publication of CH391454A publication Critical patent/CH391454A/de

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/24—Focusing screens
    • G03B13/26—Focusing screens with magnifiers for inspecting image formed on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
CH779361A 1960-07-07 1961-07-03 Einstellscheibe für Spiegelreflexkameras CH391454A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV18956A DE1154713B (de) 1960-07-07 1960-07-07 Einstellscheibe fuer Spiegelreflexkameras

Publications (1)

Publication Number Publication Date
CH391454A true CH391454A (de) 1965-04-30

Family

ID=7577491

Family Applications (1)

Application Number Title Priority Date Filing Date
CH779361A CH391454A (de) 1960-07-07 1961-07-03 Einstellscheibe für Spiegelreflexkameras

Country Status (4)

Country Link
US (1) US3182576A (de)
CH (1) CH391454A (de)
DE (1) DE1154713B (de)
GB (1) GB1002033A (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239933B (de) * 1964-02-25 1967-05-03 Olympus Optical Co Bildsuchersystem fuer einaeugige Spiegelreflexkameras
GB1157622A (en) * 1965-06-16 1969-07-09 Specto Avionics Ltd Improvements in and relating to Optical Systems.
GB1233182A (de) * 1967-09-11 1971-05-26
US3514186A (en) * 1968-04-10 1970-05-26 Eugene F Poncelet Wide angle optical apparatus
US3688665A (en) * 1970-11-20 1972-09-05 Robert B Herden Camera in gun form
US3767291A (en) * 1972-03-31 1973-10-23 Minnesota Mining & Mfg Retroviewer
GB1562703A (en) * 1975-08-21 1980-03-12 Vivitar Corp Cameras having focusing screens
US4208115A (en) * 1975-11-03 1980-06-17 Rollei-Werke Franke & Heidecke Viewfinder system with focusing screen
US4070105A (en) * 1976-03-05 1978-01-24 Marzouk Youssef Marzouk Laminar fresnel reduced ophthalmic lens construction
JPS5365726A (en) * 1976-11-24 1978-06-12 Canon Inc Penta-prism fixing device
JPS5422843A (en) * 1977-07-20 1979-02-21 Minolta Camera Co Ltd Reflecting mirror of pentagonal roof
JPS54107337A (en) 1978-02-10 1979-08-23 Olympus Optical Co Ltd Focusing device of single-lens reflex camera
JPS55166632A (en) * 1979-06-12 1980-12-25 Olympus Optical Co Ltd Finder for single-lens reflex camera
JPS5952404B2 (ja) * 1979-12-26 1984-12-19 旭光学工業株式会社 接眼レンズ光学系
US4339188A (en) * 1981-03-23 1982-07-13 Beattie Systems, Inc. Bright screen optical viewer apparatus and method
DD218196A1 (de) * 1983-08-02 1985-01-30 Pentacon Dresden Veb Fresnel-einstellscheibe fuer sr-kameras
US7663817B1 (en) * 2007-01-19 2010-02-16 Siimpel Corporation Optical system with plano convex lens
USD760234S1 (en) * 2012-11-30 2016-06-28 Fujifilm Corporation Display screen for digital camera

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US982772A (en) * 1905-12-12 1911-01-24 Pressed Prism Plate Glass Co Article of prism-glass.
US1044135A (en) * 1911-08-11 1912-11-12 Prana Ges Fuer Tageslicht Projektion Mit Beschraenkter Haftung Method of manufacture of projection-screens.
FR723996A (fr) * 1931-10-10 1932-04-18 Objectif utilisable pour cinématographier des images radioscopiques
US2393308A (en) * 1944-05-02 1946-01-22 Leo H Brown Sight
FR1107591A (fr) * 1954-06-18 1956-01-03 Dispositif de mise au point pour appareils photographiques ou analogues
US2887019A (en) * 1954-08-17 1959-05-19 Zeiss Ikon Ag Verifier finder system for reflex camera
GB816293A (en) * 1954-12-17 1959-07-08 Anne Henri Jacques De Lassus S Improvements in screens for the projection in relief and enlarging in relief of photographs recorded in relief on lenticulated films
DE1740277U (de) * 1956-07-05 1957-02-21 Kodak Ag Mattscheibe mit keilentfernungsmesser fuer photographische zwecke.
US3003407A (en) * 1956-10-08 1961-10-10 Polaroid Corp Combined range finder and view finder
DE1769292U (de) * 1957-09-21 1958-06-26 Kodak Ag Sucher fuer spiegelreflexkamera.
DE1752681A1 (de) * 1968-07-02 1971-11-18 Foriep Gmbh Maschf Karusselwerkzeugmaschine

Also Published As

Publication number Publication date
DE1154713B (de) 1963-09-19
GB1002033A (en) 1965-08-18
US3182576A (en) 1965-05-11

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