DE627828C - Viewfinder device for photographic cameras - Google Patents
Viewfinder device for photographic camerasInfo
- Publication number
- DE627828C DE627828C DEF74730D DEF0074730D DE627828C DE 627828 C DE627828 C DE 627828C DE F74730 D DEF74730 D DE F74730D DE F0074730 D DEF0074730 D DE F0074730D DE 627828 C DE627828 C DE 627828C
- Authority
- DE
- Germany
- Prior art keywords
- viewfinder
- lens
- image
- camera
- gray wedge
- 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
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/02—Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Viewfinders (AREA)
Description
Pat EW-T a-n spkü!c-;h ε :Pat EW-T a-n spkü! C-; h ε:
ι. Suchereinrichtung für photographische Kameras mit einer Feldlinse und seiner die Bildmitte ausfüllenden Mattfläche/ dadurch gekennzeichnet, daß mit dem Mattscheibenträger 'eine die Bildhelligkeit anzeigende Vorrichtung, z.B. ein Graukeil, verbunden ist.. - . ■ 6g ,2. Sucher einrichtung nach Anspruch. 1, ■dadurch !gekennzeichnet, daß" um den kreisförmigen, vorzugsweise schwenkbar gelagerten Mattscheibenteil ein ringförmiger Graukeil angeordnet ist.ι. Finder device for photographic cameras with a field lens and its matt surface filling the center of the image / characterized in that a device indicating the image brightness, for example a gray wedge, is connected to the matt disk carrier. ■ 6g , 2. Finder device according to claim. 1, ■ characterized in that "an annular gray wedge is arranged around the circular, preferably pivotably mounted, frosted screen part.
3. Suchereinrichtung nach tAnspruch 1, dadurch gekennzeichnet, daß die die Bildhelligkeit anzeigende Vorrichtung unterhalb der die Sucherbildfläche festlegenden3. Finder device according to t claim 1, characterized in that the device indicating the image brightness is below the defining the viewfinder image area
a Kollektivlinse (6) angeordnet ist. a collective lens (6) is arranged.
4. Suchereinrichtung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß der Graukeil zusammen mit dem Mattscheibenteil aus dem Strahlengang entfernbar ist.4. Finder device according to claim 1 to 3, characterized in that the Gray wedge can be removed from the beam path together with the frosted screen part.
5. Suchereinrichtung nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß der Graukeil stufenförmig ausgebildet ist.5. Finder device according to claim 1 to 4, characterized in that the Gray wedge is stepped.
6. Suchereinrichtung nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß die einzelnen Stufen des Graukeils durch Wertangaben bezeichnet sind.6. Finder device according to claim 1 to 5, characterized in that the individual steps of the gray wedge are indicated by values.
7. Suchereinrichtung nach Anspruch 1 bis S, dadurch gekennzieichnet, daß die Wertangaben innerhalb der einzelnen Stufen des Graukeils angebracht sind.7. Finder device according to claim 1 to S, characterized in that the Values are attached within the individual levels of the gray wedge.
.8. Süeheremrichtung nach Anspruch 1 bis 7, dadurch gekennzeichnet, daß die Wertangaben den Verschlußgeschwindigkeiten entsprechen..8th. A cleaning device according to Claims 1 to 7, characterized in that the Values correspond to the shutter speeds.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF74730D DE627828C (en) | Viewfinder device for photographic cameras |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF74730D DE627828C (en) | Viewfinder device for photographic cameras |
Publications (1)
Publication Number | Publication Date |
---|---|
DE627828C true DE627828C (en) | 1936-03-26 |
Family
ID=7112291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEF74730D Expired DE627828C (en) | Viewfinder device for photographic cameras |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE627828C (en) |
-
0
- DE DEF74730D patent/DE627828C/en not_active Expired
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