JPH0333411U - - Google Patents
Info
- Publication number
- JPH0333411U JPH0333411U JP9365389U JP9365389U JPH0333411U JP H0333411 U JPH0333411 U JP H0333411U JP 9365389 U JP9365389 U JP 9365389U JP 9365389 U JP9365389 U JP 9365389U JP H0333411 U JPH0333411 U JP H0333411U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- holding device
- glass
- plastic
- device characterized
- 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
- 239000011521 glass Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims 2
- 239000005385 borate glass Substances 0.000 claims 1
- 238000005341 cation exchange Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図乃至第３図は本考案レンズ保持装置の第
１乃至第３実施例を示す断面図、第４図および第
５図は従来のレンズ保持装置を示し、第４図ａは
側断面図、第４図ｂおよび第４図ｃは平面図、第
５図ａは側断面図、第５図ｂは平面図である。
１，４…ガラスレンズ、２，９…プラスチツク
レンズ、３，７…鏡枠、５，６…環状部材、８…
間隔、１０，１１，１２…レンズ保持装置。
1 to 3 are sectional views showing first to third embodiments of the lens holding device of the present invention, FIGS. 4 and 5 show conventional lens holding devices, and FIG. 4a is a side sectional view. , FIG. 4b and FIG. 4c are plan views, FIG. 5a is a side sectional view, and FIG. 5b is a plan view. 1, 4... Glass lens, 2, 9... Plastic lens, 3, 7... Lens frame, 5, 6... Annular member, 8...
Intervals, 10, 11, 12...lens holding device.
Claims (1)
持するレンズ保持装置において、水分により表面
がアルカリ性となり難い、フリント系ホウ酸塩ガ
ラス硝材にて形成したガラスレンズをプラスチツ
クレンズに相対して配置することにより構成した
ことを特徴とするレンズ保持装置。 (2) 少なくとも１つのガラスレンズとプラスチ
ツクレンズを保持するレンズ保持装置において、 前記ガラスレンズとプラスチツクレンズ間の鏡
枠内壁部に多孔性物質および／または陽イオン交
換能を有する物質の膜を配設することにより構成
したことを特徴とするレンズ保持装置。 (3) 少なくとも１つのガラスレンズとプラスチ
ツクレンズを保持するレンズ保持装置において、
前記ガラスレンズとプラスチツクレンズに相互の
凹面を対向するとともに相互間に所定の間隔を設
けて配設することにより構成したことを特徴とす
るレンズ保持装置。[Claims for Utility Model Registration] (1) In a lens holding device that holds at least one plastic lens, a glass lens made of a flint-based borate glass material whose surface does not easily become alkaline due to moisture is placed relative to the plastic lens. A lens holding device characterized in that it is configured by arranging a lens. (2) In a lens holding device that holds at least one glass lens and a plastic lens, a membrane of a porous substance and/or a substance having cation exchange ability is disposed on the inner wall of the lens frame between the glass lens and the plastic lens. A lens holding device characterized by comprising: (3) A lens holding device for holding at least one glass lens and a plastic lens,
A lens holding device characterized in that the glass lens and the plastic lens are arranged with their concave surfaces facing each other and with a predetermined spacing between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9365389U JPH0333411U (en) | 1989-08-09 | 1989-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9365389U JPH0333411U (en) | 1989-08-09 | 1989-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0333411U true JPH0333411U (en) | 1991-04-02 |
Family
ID=31643021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9365389U Pending JPH0333411U (en) | 1989-08-09 | 1989-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009244389A (en) * | 2008-03-28 | 2009-10-22 | Fujinon Corp | Lens assembly and imaging apparatus |
-
1989
- 1989-08-09 JP JP9365389U patent/JPH0333411U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009244389A (en) * | 2008-03-28 | 2009-10-22 | Fujinon Corp | Lens assembly and imaging apparatus |