GB893600A - Improvements in and relating to combined view-finders and range-finders - Google Patents

Improvements in and relating to combined view-finders and range-finders

Info

Publication number
GB893600A
GB893600A GB31266/58A GB3126658A GB893600A GB 893600 A GB893600 A GB 893600A GB 31266/58 A GB31266/58 A GB 31266/58A GB 3126658 A GB3126658 A GB 3126658A GB 893600 A GB893600 A GB 893600A
Authority
GB
United Kingdom
Prior art keywords
finders
viewfinder
lens
measuring device
rangefinder
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
GB31266/58A
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.)
Voigtlander AG
Original Assignee
Voigtlander 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 Voigtlander AG filed Critical Voigtlander AG
Publication of GB893600A publication Critical patent/GB893600A/en
Expired legal-status Critical Current

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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Abstract

893,600. Viewfinders-rangefinders. VOIGTLANDER A.G. Sept. 30, 1958 [Oct. 2, 1957], No. 31266/58. Classes 97(1) and 98(1). A rangefinder-viewfinder comprises as the viewfinder a multipart transparent block constructed as an Albada viewfinder which consists of a part transparent concave mirror 7, a reflecting frame 6 placed at approximately the focal plane of the mirror, an inclined semireflecting surface or, as shown, a surface 8 which is partly fully reflecting; the rangefinder comprises a block 104 containing the base line and having a reflector 11 for redirecting light which comes through the measuring device. The measuring device consists of an Abat wedge comprising two lenses 12, 13 of which lens 13 is mounted on a holder 14 which is rotatable about an axis 27 to adjust the ray: by means of screws 25, 20 the lens and mount can be adjusted in two mutually perpendicular directions.
GB31266/58A 1957-10-02 1958-09-30 Improvements in and relating to combined view-finders and range-finders Expired GB893600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE893600X 1957-10-02

Publications (1)

Publication Number Publication Date
GB893600A true GB893600A (en) 1962-04-11

Family

ID=6846805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31266/58A Expired GB893600A (en) 1957-10-02 1958-09-30 Improvements in and relating to combined view-finders and range-finders

Country Status (1)

Country Link
GB (1) GB893600A (en)

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