JPS6438609U - - Google Patents
Info
- Publication number
- JPS6438609U JPS6438609U JP13406987U JP13406987U JPS6438609U JP S6438609 U JPS6438609 U JP S6438609U JP 13406987 U JP13406987 U JP 13406987U JP 13406987 U JP13406987 U JP 13406987U JP S6438609 U JPS6438609 U JP S6438609U
- Authority
- JP
- Japan
- Prior art keywords
- inner cylinder
- whose
- focal position
- lens
- corrects
- 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
- Lens Barrels (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は従来例を示す側面図である。
１１……レンズ、１２……リングナツト、１３
……第１の内筒、１４……第２の内筒、１５……
外筒、１６，１７……固定ねじ。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a side view showing a conventional example. 11...Lens, 12...Ring nut, 13
...First inner cylinder, 14...Second inner cylinder, 15...
Outer cylinder, 16, 17...Fixing screw.
Claims (1)
の第１の内筒の前記第１端部と反対の第２端部に
第２端部を連結される第２の内筒と、この第２の
内筒の第１端部に第１端部を連結されかつ第２端
部を基部材に固定された外筒とを備え、温度変化
による前記レンズの焦点位置ずれを補正すること
を特徴とする焦点位置補正装置。 a first inner cylinder that holds the lens at a first end; and a second inner cylinder whose second end is connected to a second end opposite to the first end of the first inner cylinder. and an outer cylinder whose first end is connected to the first end of the second inner cylinder and whose second end is fixed to the base member, and corrects a focal position shift of the lens due to temperature change. A focal position correction device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13406987U JPS6438609U (en) | 1987-09-01 | 1987-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13406987U JPS6438609U (en) | 1987-09-01 | 1987-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438609U true JPS6438609U (en) | 1989-03-08 |
Family
ID=31392486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13406987U Pending JPS6438609U (en) | 1987-09-01 | 1987-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438609U (en) |
-
1987
- 1987-09-01 JP JP13406987U patent/JPS6438609U/ja active Pending