JPH0345505U - - Google Patents
Info
- Publication number
- JPH0345505U JPH0345505U JP10751089U JP10751089U JPH0345505U JP H0345505 U JPH0345505 U JP H0345505U JP 10751089 U JP10751089 U JP 10751089U JP 10751089 U JP10751089 U JP 10751089U JP H0345505 U JPH0345505 U JP H0345505U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- adjustment tool
- accommodates
- supports
- lens frame
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
Landscapes
- Lens Barrels (AREA)
Description
第1図は本考案に係るレンズユニツトの光学性
能調整機構の一実施例を示す全体断面図、第2図
はこの調整機構の他の実施例を示す全体断面図で
あり、第3図および第4図はそれぞれ従来のレン
ズユニツトの光学性能調整機構を示す断面図であ
る。
1,21……レンズ、4,22……レンズ枠、
5,23……第1調整具、6,25……鏡枠本体
、7,24……第2調整具。
FIG. 1 is an overall sectional view showing one embodiment of the optical performance adjustment mechanism of a lens unit according to the present invention, FIG. 2 is an overall sectional view showing another embodiment of this adjustment mechanism, and FIGS. FIG. 4 is a sectional view showing an optical performance adjustment mechanism of a conventional lens unit. 1, 21... Lens, 4, 22... Lens frame,
5, 23...first adjusting tool, 6,25...lens frame body, 7,24...second adjusting tool.
Claims (1)
支持するレンズ枠と、このレンズ枠を収納すると
ともに第2調整具を介して支持する鏡枠本体とを
備え、前記レンズを第1調整具によつてチルト方
向に調整し、また前記レンズを第2調整具によつ
てシフト方向に調整するようにしたことを特徴と
するレンズユニツトの光学性能調整機構。 A lens frame that accommodates the lens and supports it via a first adjustment tool; and a lens frame body that accommodates the lens frame and supports it via a second adjustment tool; 1. An optical performance adjustment mechanism for a lens unit, characterized in that the lens is adjusted in a tilt direction using a second adjustment tool, and the lens is adjusted in a shift direction using a second adjustment tool.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10751089U JPH0345505U (en) | 1989-09-13 | 1989-09-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10751089U JPH0345505U (en) | 1989-09-13 | 1989-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0345505U true JPH0345505U (en) | 1991-04-26 |
Family
ID=31656201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10751089U Pending JPH0345505U (en) | 1989-09-13 | 1989-09-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0345505U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0854552A (en) * | 1994-08-15 | 1996-02-27 | Canon Inc | Lens holder |
JP2005141252A (en) * | 2005-02-03 | 2005-06-02 | Seiko Epson Corp | Projection lens, method for manufacturing projection lens and projector equipped with the projection lens |
US7061699B2 (en) | 2002-03-28 | 2006-06-13 | Seiko Epson Corporation | Projection lens, producing method of projection lens and projector having projection lens |
-
1989
- 1989-09-13 JP JP10751089U patent/JPH0345505U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0854552A (en) * | 1994-08-15 | 1996-02-27 | Canon Inc | Lens holder |
US7061699B2 (en) | 2002-03-28 | 2006-06-13 | Seiko Epson Corporation | Projection lens, producing method of projection lens and projector having projection lens |
JP2005141252A (en) * | 2005-02-03 | 2005-06-02 | Seiko Epson Corp | Projection lens, method for manufacturing projection lens and projector equipped with the projection lens |