GB410449A - Improvements in or relating to view finders for photographic cameras - Google Patents
Improvements in or relating to view finders for photographic camerasInfo
- Publication number
- GB410449A GB410449A GB739934A GB739934A GB410449A GB 410449 A GB410449 A GB 410449A GB 739934 A GB739934 A GB 739934A GB 739934 A GB739934 A GB 739934A GB 410449 A GB410449 A GB 410449A
- Authority
- GB
- United Kingdom
- Prior art keywords
- finder
- view
- opening
- relating
- photographic cameras
- 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
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)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Viewfinders (AREA)
Abstract
410,449. Photographic view-finders. KILFITT, H., 51, Scheibenstrasse, D³sseldorf, Germany. Sept. 28, 1933, No. 7399/34. Divided on 411,347. [Class 98 (i).] A view finder particularly suitable for cameras of small external dimensions is provided with one inspection opening 1 and two observation openings 2, 3, the opening 2 being used for direct view, Fig. 1, while for viewing at an angle of 90‹, Fig. 2, the opening 3 is used in conjunction with a mirror 4 which is automatically swung through 45‹ by the action of a cam slot 6 when the finder is rotated about the point 5a. For use as a top view finder, Fig. 7, the base plate 7 in which the slot 6 is formed is provided with a hinge 8 permitting the finder to take up a vertical position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB739934A GB410449A (en) | 1933-09-28 | 1933-09-28 | Improvements in or relating to view finders for photographic cameras |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB739934A GB410449A (en) | 1933-09-28 | 1933-09-28 | Improvements in or relating to view finders for photographic cameras |
Publications (1)
Publication Number | Publication Date |
---|---|
GB410449A true GB410449A (en) | 1934-05-17 |
Family
ID=9832369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB739934A Expired GB410449A (en) | 1933-09-28 | 1933-09-28 | Improvements in or relating to view finders for photographic cameras |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB410449A (en) |
-
1933
- 1933-09-28 GB GB739934A patent/GB410449A/en not_active Expired
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