JPH0324619U - - Google Patents
Info
- Publication number
- JPH0324619U JPH0324619U JP8473889U JP8473889U JPH0324619U JP H0324619 U JPH0324619 U JP H0324619U JP 8473889 U JP8473889 U JP 8473889U JP 8473889 U JP8473889 U JP 8473889U JP H0324619 U JPH0324619 U JP H0324619U
- Authority
- JP
- Japan
- Prior art keywords
- light shielding
- lens barrel
- prevention device
- internal reflection
- reflection prevention
- 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
- 230000002265 prevention Effects 0.000 claims 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Description
図面は本考案の実施例を示し、第１図は望遠状
態のズームレンズの断面説明図、第２図は広角状
態のズームレンズの断面説明図、第３図は遮光部
材及び遮光リングの斜視図、第４図は他の実施例
の遮光部材及び遮光リングの斜視図である。
１…ズームレンズ、２…第１レンズ群、３…固
定鏡筒、４…第２レンズ群、６…第３レンズ群、
１０…カメラボデイ、１４…遮光環、１９…移動
環、２０…ズーム環、２１…第１遮光部材、２２
…第２遮光部材、２４…遮光リング、２６…基部
、２８…変形支持部、３０…リング部、５０…副
遮光リング、Ｏ…光軸。
The drawings show an embodiment of the present invention; FIG. 1 is a cross-sectional view of a zoom lens in a telephoto state, FIG. 2 is a cross-sectional view of a zoom lens in a wide-angle state, and FIG. 3 is a perspective view of a light-shielding member and a light-shielding ring. , FIG. 4 is a perspective view of a light shielding member and a light shielding ring according to another embodiment. 1... Zoom lens, 2... First lens group, 3... Fixed lens barrel, 4... Second lens group, 6... Third lens group,
DESCRIPTION OF SYMBOLS 10... Camera body, 14... Shading ring, 19... Moving ring, 20... Zoom ring, 21... First light blocking member, 22
...Second light shielding member, 24...Shade ring, 26...Base, 28...Deformation support part, 30...Ring part, 50...Sub light shielding ring, O...Optical axis.
Claims (1)
ムレンズにおいて、移動レンズの鏡筒と、該移動
レンズ鏡筒よりもフイルム面側の上記固定鏡筒と
一体の固定部材との少なくとも一方に、他方の側
へ伸縮自在の支持部材によつて支持された遮光リ
ングを設けたことを特徴とするズームレンズの内
面反射防止装置。 (2) 上記遮光リングが、上記移動レンズ鏡筒の
後端に設けられた遮光部材と一体に取付けられて
いる請求項(1)記載の内面反射防止装置。 (3) 上記遮光リングが、上記固定部材と一体に
取付けられている請求項(1)記載の内面反射防止
装置。[Claims for Utility Model Registration] (1) In a zoom lens in which a movable lens is moved within a fixed lens barrel, the lens barrel of the movable lens is integrated with the fixed lens barrel on the film side side of the movable lens barrel. 1. An internal reflection prevention device for a zoom lens, characterized in that a light shielding ring is provided on at least one side of a fixed member and supported by a support member that is extendable to the other side. (2) The internal reflection prevention device according to claim (1), wherein the light shielding ring is attached integrally with a light shielding member provided at the rear end of the movable lens barrel. (3) The internal reflection prevention device according to claim (1), wherein the light shielding ring is attached integrally with the fixing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8473889U JPH0738892Y2 (en) | 1989-07-19 | 1989-07-19 | Inner anti-reflection device for zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8473889U JPH0738892Y2 (en) | 1989-07-19 | 1989-07-19 | Inner anti-reflection device for zoom lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0324619U true JPH0324619U (en) | 1991-03-14 |
| JPH0738892Y2 JPH0738892Y2 (en) | 1995-09-06 |
Family
ID=31633412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8473889U Expired - Fee Related JPH0738892Y2 (en) | 1989-07-19 | 1989-07-19 | Inner anti-reflection device for zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738892Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10123391A (en) * | 1996-10-23 | 1998-05-15 | Nikon Corp | Lens barrel |
| JP2006347108A (en) * | 2005-06-20 | 2006-12-28 | Toppan Forms Co Ltd | Double postcard |
-
1989
- 1989-07-19 JP JP8473889U patent/JPH0738892Y2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10123391A (en) * | 1996-10-23 | 1998-05-15 | Nikon Corp | Lens barrel |
| JP2006347108A (en) * | 2005-06-20 | 2006-12-28 | Toppan Forms Co Ltd | Double postcard |
| JP4648104B2 (en) * | 2005-06-20 | 2011-03-09 | トッパン・フォームズ株式会社 | Round-trip postcard |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0738892Y2 (en) | 1995-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |