JPS5862331U - Imaging device with TTL optical viewfinder - Google Patents
Imaging device with TTL optical viewfinderInfo
- Publication number
- JPS5862331U JPS5862331U JP15664981U JP15664981U JPS5862331U JP S5862331 U JPS5862331 U JP S5862331U JP 15664981 U JP15664981 U JP 15664981U JP 15664981 U JP15664981 U JP 15664981U JP S5862331 U JPS5862331 U JP S5862331U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- imaging device
- ttl
- group lens
- optical axis
- 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)
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図は本考案の実施例を示す光学の説明図である。
図中１は撮影レンズの前群レンズ、２は後群レンズ、３
は撮像面、４はミラー、５は正立レンズ、６は二次結像
面、７は接眼レンズ、８は被写体平面、９は後群レンズ
２の主平面である。FIG. 1 is an explanatory diagram of optics showing an embodiment of the present invention. In the figure, 1 is the front group lens of the photographing lens, 2 is the rear group lens, and 3
4 is an imaging surface, 4 is a mirror, 5 is an erecting lens, 6 is a secondary imaging surface, 7 is an eyepiece, 8 is a subject plane, and 9 is a principal plane of the rear group lens 2.
Claims (2)
面から傾けて配置し、前記撮影レンズを通過し、前記撮
像面から反射した光束をファインダー用光学系に導いた
事を特徴とするＴＴＬ光学ファインダーを有する撮像装
置。(1) The imaging surface of the image pickup tube is arranged behind the photographic lens so as to be tilted from the vertical plane of the optical axis, and the light flux that passes through the photographic lens and is reflected from the imaging surface is guided to the finder optical system. An imaging device with a TTL optical viewfinder.
２つのレンズ群を有し、前記後群レンズの光軸を前記前
群レンズの光軸と傾けて配置した事を特徴とする実用新
案登録請求の範囲第１項記載のＴＴＬ光学ファインダー
を有する撮像装置。(2) A utility model characterized in that the photographing lens has two lens groups, a front group lens and a rear group lens, and the optical axis of the rear group lens is arranged at an angle with the optical axis of the front group lens. An imaging device having a TTL optical finder according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15664981U JPS5862331U (en) | 1981-10-21 | 1981-10-21 | Imaging device with TTL optical viewfinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15664981U JPS5862331U (en) | 1981-10-21 | 1981-10-21 | Imaging device with TTL optical viewfinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5862331U true JPS5862331U (en) | 1983-04-26 |
Family
ID=29949183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15664981U Pending JPS5862331U (en) | 1981-10-21 | 1981-10-21 | Imaging device with TTL optical viewfinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5862331U (en) |
-
1981
- 1981-10-21 JP JP15664981U patent/JPS5862331U/en active Pending
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