JPS58100336U - Quick return mirror for single lens reflex camera - Google Patents
Quick return mirror for single lens reflex cameraInfo
- Publication number
- JPS58100336U JPS58100336U JP15368282U JP15368282U JPS58100336U JP S58100336 U JPS58100336 U JP S58100336U JP 15368282 U JP15368282 U JP 15368282U JP 15368282 U JP15368282 U JP 15368282U JP S58100336 U JPS58100336 U JP S58100336U
- Authority
- JP
- Japan
- Prior art keywords
- return mirror
- lens reflex
- reflex camera
- quick return
- single lens
- 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
- Cameras In General (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は先願の焦点検出装置付カメラの光学系を示す図
、第２図は第１図示のカメラのマスクの機能を説明する
ための図、第３図は先願に示した焦点検出装置付カメラ
用ローパスフィルターを設けたクイックリターンミラー
を示す図、第４−１図は本考案になる面積型ミラーのパ
ターンを示す５、第４−２図は、第４−１図のミラーパ
ターンをマスク蒸着で製造する場合のマスクの一部拡大
図、第４−３図は、第３図又は第４−１図に示したミラ
ーパターンのローパスフィルター効果を説明する為の図
、第４−４図は、同じく第３図又は第４−１図に示した
ミラーパターンのＭＴＦカーブによってローパスフィル
ター効果を説明する図、第５図は、本考案の他の実施例
を説明する為の光学系図、第６図、第７図は各々第５図
の実施例で用いられるミラーｔ＜９−ンを示す図である
。
第 ３ 図
第４−７図 −
ｌ−／
ａｔ。
１，２ノ 〜、′ ・Fig. 1 is a diagram showing the optical system of the camera with a focus detection device of the earlier application, Fig. 2 is a diagram for explaining the function of the mask of the camera shown in Fig. 1, and Fig. 3 is a diagram showing the focus detection device shown in the earlier application. Figure 4-1 shows a quick return mirror equipped with a low-pass filter for a camera with a device, Figure 4-1 shows the pattern of the area type mirror according to the present invention, and Figure 4-2 shows the mirror pattern of Figure 4-1. FIG. 4-3 is a partially enlarged view of a mask produced by mask vapor deposition, and FIG. 4-3 is a diagram for explaining the low-pass filter effect of the mirror pattern shown in FIG. 3 or FIG. 4-1. Figure 4 is a diagram for explaining the low-pass filter effect using the MTF curve of the mirror pattern shown in Figure 3 or Figure 4-1, and Figure 5 is an optical system diagram for explaining another embodiment of the present invention. , FIG. 6, and FIG. 7 are diagrams showing the mirror t<9-n used in the embodiment of FIG. 5, respectively. Figure 3 Figure 4-7 - l-/at. １、２ノ〜、′・
Claims (1)
眼レフ−レックスカメラ用クイックリターンミラーにお
いて、平均透過率がクイックリターンミラー上、光軸近
傍において最大となる事を特徴とする１眼レフレツクス
カメラ用クイツクリタニンミラー。A metal reflective film is partially provided on a transparent substrate 1
A quick return mirror for a single-lens reflex camera, characterized in that the average transmittance is maximum on the quick-return mirror near the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15368282U JPS58100336U (en) | 1982-10-08 | 1982-10-08 | Quick return mirror for single lens reflex camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15368282U JPS58100336U (en) | 1982-10-08 | 1982-10-08 | Quick return mirror for single lens reflex camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58100336U true JPS58100336U (en) | 1983-07-08 |
Family
ID=30101806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15368282U Pending JPS58100336U (en) | 1982-10-08 | 1982-10-08 | Quick return mirror for single lens reflex camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58100336U (en) |
-
1982
- 1982-10-08 JP JP15368282U patent/JPS58100336U/en active Pending
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