JPH036630U - - Google Patents
Info
- Publication number
- JPH036630U JPH036630U JP14734389U JP14734389U JPH036630U JP H036630 U JPH036630 U JP H036630U JP 14734389 U JP14734389 U JP 14734389U JP 14734389 U JP14734389 U JP 14734389U JP H036630 U JPH036630 U JP H036630U
- Authority
- JP
- Japan
- Prior art keywords
- field frame
- lens
- optical system
- frame
- finder optical
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 16
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Viewfinders (AREA)
- Lens Barrels (AREA)
Description
第１図ないし第４図は本考案によるフアインダ
光学系の視野枠位置調整装置の第一の実施例を示
すもので、第１図は分解斜視図、第２Ａ，２Ｂ，
２Ｃ図はそれぞれ異なる調整状態のフアインダ光
学系の縦断面図、第３Ａ，３Ｂ，３Ｃ図はそれぞ
れ可動枠体による異なる調整状態の平面図、第４
Ａ，４Ｂ，４Ｃ図はそれぞれ視野枠と測距ビーム
の異なる位置関係を示す平面図である。第５図は
本考案の別の実施例を示す、ハーフミラーレンズ
の別の支持機構の斜視図である。第６図ないし第
１０図は本考案による視野枠位置調整装置の第二
の実施例を示すもので、第６図は分解斜視図、第
７Ａ，７Ｂ，７Ｃ図はそれぞれ異なる調整状態の
フアインダ光学系の縦断面図、第８Ａ，８Ｂ，８
Ｃ図はそれぞれ可動枠体による異なる調整状態の
平面図、第９Ａ，９Ｂ，９Ｃ図はそれぞれ視野枠
と測距ビームの異なる位置関係を示す平面図、第
１０図はハーフミラーレンズの支持機構の斜視図
である。
１１……フアインダ光学系、１２……視野枠、
１２ａ……撮影枠、１２ｂ……測距枠マーク、１
３……第１可動枠、１４……第２可動枠、１５…
…固定枠体、１５ａ……支持孔、１５ｂ……ガイ
ドピン、１５ｃ……調整中心孔、１５ｄ……雌ね
じ孔、１５ｅ……基準面、１８……カム板、１９
，２０……カム溝、２２……可動枠体、２２ａ…
…支持孔、２２ｂ……移動方向規制長溝、２２ｃ
……位置調整孔、２２ｄ……固定ねじ貫通孔、２
２ｅ……横長溝、２３ａ，２３ｂ……突起、２４
……偏心ピン調整具、２４ａ……偏心部、２４ｂ
……回転中心軸、２５……固定ねじ、３１……回
動支点軸、３２……支持脚、３３……突起（左右
調整係合部）、３４……偏心ピン挿入溝、３６…
…第２偏心ピン調整具、３６ａ……偏心部、３６
ｂ……回転中心軸、３７……枠体、３８……支持
孔、Ｌ１……第１可動レンズ、Ｌ２……第２可動
レンズ、Ｌ３……ハーフミラーレンズ、Ｌ４……
視野枠レンズ、Ｌ５……接眼レンズ。
1 to 4 show a first embodiment of a field frame position adjusting device for a finder optical system according to the present invention, in which FIG. 1 is an exploded perspective view, 2A, 2B,
Figure 2C is a vertical cross-sectional view of the finder optical system in different adjusted states, Figures 3A, 3B, and 3C are plan views of the movable frame in different adjusted states, and Figure 4
Figures A, 4B, and 4C are plan views showing different positional relationships between the field frame and the ranging beam, respectively. FIG. 5 is a perspective view of another support mechanism for a half mirror lens, showing another embodiment of the present invention. Figures 6 to 10 show a second embodiment of the field frame position adjustment device according to the present invention, in which Figure 6 is an exploded perspective view, and Figures 7A, 7B, and 7C are views of the viewfinder optical system in different adjustment states. Longitudinal cross-sectional view of the system, No. 8A, 8B, 8
Figures C are plan views of different adjustment states by the movable frame, Figures 9A, 9B, and 9C are plan views showing different positional relationships between the field frame and the distance measuring beam, and Figure 10 is a plan view of the support mechanism for the half mirror lens. FIG. 11...Finder optical system, 12...Field frame,
12a... Shooting frame, 12b... Distance measuring frame mark, 1
3...First movable frame, 14...Second movable frame, 15...
... Fixed frame body, 15a ... Support hole, 15b ... Guide pin, 15c ... Adjustment center hole, 15d ... Female screw hole, 15e ... Reference surface, 18 ... Cam plate, 19
, 20... cam groove, 22... movable frame body, 22a...
...Support hole, 22b...Movement direction regulating long groove, 22c
...Position adjustment hole, 22d...Fixing screw through hole, 2
2e...Horizontal groove, 23a, 23b...Protrusion, 24
... Eccentric pin adjustment tool, 24a ... Eccentric part, 24b
... Rotation center axis, 25 ... Fixing screw, 31 ... Rotation fulcrum shaft, 32 ... Support leg, 33 ... Protrusion (left and right adjustment engagement part), 34 ... Eccentric pin insertion groove, 36 ...
...Second eccentric pin adjuster, 36a...Eccentric part, 36
b... Rotation center axis, 37... Frame, 38... Support hole, L1... First movable lens, L2... Second movable lens, L3... Half mirror lens, L4...
Field frame lens, L5...eyepiece.
Claims (1)
の反射像を接眼レンズに入射させるハーフミラー
レンズとを有するフアインダ光学系において、 上記視野枠レンズとハーフミラーレンズとの少
なくとも一方を、光軸を通る直線またはこれと平
行な直線の回りに回動調節可能としたことを特徴
とするフアインダ光学系の視野枠位置調整装置。 (2) 請求項１において、視野枠レンズとハーフ
ミラーレンズとの少なくとも一方の直径方向の対
向位置を、フアインダ光学系の固定枠体と、この
固定枠体に対してフアインダ光学系の光軸と略平
行な方向に移動可能な可動枠体とに支持させ、か
つこの可動枠体の位置調整手段および固定枠体へ
の固定手段を設けたことを特徴とするフアインダ
光学系の視野枠位置調整装置。 (3) 視野枠を描いた視野枠レンズと、該視野枠
の反射像を接眼レンズに入射させるハーフミラー
レンズとを有するフアインダ光学系において、 上記視野枠レンズとハーフミラーレンズとの少
なくとも一方を、光軸を通る直線またはこれと平
行な直線の回りに回動調整可能とし、さらに左右
方向へ位置調整手段を設けたことを特徴とするフ
アインダ光学系の視野枠位置調整装置。 (4) 請求項３において、視野枠レンズとハーフ
ミラーレンズの少なくとも一方に、その左右に位
置させて回動中心軸を設けるとともに、上部また
は下部に位置させて、左右調整係合部を設け、上
記回動中心軸を中心とする回動により回動調整を
可能とし、左右調整係合部により、左右の位置調
整を可能としたことを特徴とするフアインダ光学
系の視野枠位置調整装置。[Scope of Claim for Utility Model Registration] (1) In a finder optical system having a field frame lens that depicts a field frame and a half mirror lens that makes a reflected image of the field frame enter the eyepiece, 1. A field frame position adjustment device for a finder optical system, characterized in that at least one of the mirror lens and the mirror lens can be rotated around a straight line passing through an optical axis or a straight line parallel thereto. (2) In claim 1, the opposing position in the diametrical direction of at least one of the field frame lens and the half mirror lens is defined by the fixed frame of the finder optical system and the optical axis of the finder optical system with respect to the fixed frame. A field frame position adjustment device for a finder optical system, which is supported by a movable frame movable in a substantially parallel direction, and is provided with means for adjusting the position of the movable frame and means for fixing the movable frame to the fixed frame. . (3) In a finder optical system having a field frame lens that depicts a field frame and a half mirror lens that makes a reflected image of the field frame enter the eyepiece, at least one of the field frame lens and the half mirror lens, What is claimed is: 1. A field frame position adjustment device for a finder optical system, which is rotatably adjustable around a straight line passing through an optical axis or a straight line parallel to the optical axis, and is further provided with position adjustment means in the left and right directions. (4) In claim 3, at least one of the field frame lens and the half mirror lens is provided with a rotation center axis located on the left and right sides thereof, and a left-right adjustment engagement portion is provided on the upper or lower part thereof, A field frame position adjustment device for a finder optical system, characterized in that rotation adjustment is made possible by rotation around the rotation center axis, and left and right position adjustment is made possible by a left and right adjustment engagement portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989147343U JPH082660Y2 (en) | 1989-02-10 | 1989-12-21 | Field-of-view frame position adjustment device for finder optical system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1-14884 | 1989-02-10 | ||
| JP1488489 | 1989-02-10 | ||
| JP1989147343U JPH082660Y2 (en) | 1989-02-10 | 1989-12-21 | Field-of-view frame position adjustment device for finder optical system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036630U true JPH036630U (en) | 1991-01-23 |
| JPH082660Y2 JPH082660Y2 (en) | 1996-01-29 |
Family
ID=31717301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989147343U Expired - Lifetime JPH082660Y2 (en) | 1989-02-10 | 1989-12-21 | Field-of-view frame position adjustment device for finder optical system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082660Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015179238A (en) * | 2014-02-28 | 2015-10-08 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | Lens barrel, image sensor holding structure, and electronic viewfinder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6189828U (en) * | 1984-11-16 | 1986-06-11 |
-
1989
- 1989-12-21 JP JP1989147343U patent/JPH082660Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6189828U (en) * | 1984-11-16 | 1986-06-11 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015179238A (en) * | 2014-02-28 | 2015-10-08 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | Lens barrel, image sensor holding structure, and electronic viewfinder |
| US10120160B2 (en) | 2014-02-28 | 2018-11-06 | Samsung Electronics Co., Ltd. | Lens barrel, imaging element support structure, electronic view finder, and imaging device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH082660Y2 (en) | 1996-01-29 |
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