JPS60104826U - Camera viewfinder - Google Patents
Camera viewfinderInfo
- Publication number
- JPS60104826U JPS60104826U JP19776083U JP19776083U JPS60104826U JP S60104826 U JPS60104826 U JP S60104826U JP 19776083 U JP19776083 U JP 19776083U JP 19776083 U JP19776083 U JP 19776083U JP S60104826 U JPS60104826 U JP S60104826U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- finder
- short
- polarizing plate
- focus
- 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.)
- Pending
Links
Landscapes
- Viewfinders (AREA)
- Lens Barrels (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案の一実ｉを示すファインダーを示して
おり、同図ａはその光学系を、同図すはその視野をそれ
ぞれ示す。第２図は、第１図のファインダーに変倍光学
系を挿入した構成のファインダーを示しており、同図ａ
はその光学系を、同図すはその視野をそれぞれ示す。
１・・・・・・ファインダー、２，２′・・・・！・対
物レン −ズ、３，３’・・・・・・接眼レンズ、４，
５・・曲視野マスク、６・・・・・・偏光板。FIG. 1 shows a finder showing one embodiment of the present invention, and FIG. 1A shows its optical system, and FIG. 1A shows its field of view, respectively. Figure 2 shows a finder constructed by inserting a variable magnification optical system into the finder of Figure 1.
1 shows its optical system, and the same figure shows its field of view, respectively. 1... Finder, 2, 2'...!・Objective lens, 3, 3'...Eyepiece, 4,
5...Curved field mask, 6...Polarizing plate.
Claims (1)
に使用する二焦点式カメラ用の逆ガリレオフアインダ−
において、短焦点レンズに応じた視野範囲を画定する視
野マスクと、長焦点レンズに応じた視野範囲を画定する
第１の偏光板からなる視野マスクと、第１の偏光板とそ
の偏光軸が直角をなすようにファインダー光学系内に配
置された第２の偏光板と、ファインダー光学系に対して
挿脱自在であり、同光学系に挿入されたとき短焦点用フ
ァインダーを構成する短焦点用光学系と、この光学系と
共に第１及び第２の偏光板間に挿脱される位相差板とを
有するカメラ用ファインダ”ｏ ゛Reverse Galilean off-finder for bifocal cameras that selectively uses one of the long and short focal lengths of the photographic lens.
, a field mask that defines a viewing range corresponding to a short focus lens, a first polarizing plate that defines a viewing range corresponding to a long focal length lens, and a first polarizing plate and the first polarizing plate whose polarization axes are perpendicular to each other. a second polarizing plate arranged in the finder optical system so as to form a short-focus optical system; and a short-focus optical element that can be inserted into and removed from the finder optical system and forms a short-focus finder when inserted into the same optical system. A camera finder having a retardation plate inserted and removed between first and second polarizing plates together with the optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19776083U JPS60104826U (en) | 1983-12-22 | 1983-12-22 | Camera viewfinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19776083U JPS60104826U (en) | 1983-12-22 | 1983-12-22 | Camera viewfinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60104826U true JPS60104826U (en) | 1985-07-17 |
Family
ID=30756227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19776083U Pending JPS60104826U (en) | 1983-12-22 | 1983-12-22 | Camera viewfinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60104826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61129630A (en) * | 1984-11-28 | 1986-06-17 | Canon Inc | Variable magnification finder |
-
1983
- 1983-12-22 JP JP19776083U patent/JPS60104826U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61129630A (en) * | 1984-11-28 | 1986-06-17 | Canon Inc | Variable magnification finder |
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