JPH0411515U - - Google Patents
Info
- Publication number
- JPH0411515U JPH0411515U JP5231790U JP5231790U JPH0411515U JP H0411515 U JPH0411515 U JP H0411515U JP 5231790 U JP5231790 U JP 5231790U JP 5231790 U JP5231790 U JP 5231790U JP H0411515 U JPH0411515 U JP H0411515U
- Authority
- JP
- Japan
- Prior art keywords
- orthogonal planes
- central axis
- mutually orthogonal
- optical means
- planes including
- 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 4
- 238000003384 imaging method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Transforming Light Signals Into Electric Signals (AREA)
Description
第１図は本考案の一実施例の縦断面図、第２図
は第１図に示す実施例における受光位置に対する
直交２平面での空間周波数特性を示す図、第３図
は直交２平面での焦点位置のずれによる像への影
響を説明するための図、第４図は直交２平面での
焦点位置にずれがある結像装置における受光位置
に対する直交２平面での空間周波数特性を示す図
である。
１……レンズ系、２……補正用レンズ、３，４
……光学部品、５……受光面、６……入射光。
Fig. 1 is a vertical cross-sectional view of one embodiment of the present invention, Fig. 2 is a diagram showing the spatial frequency characteristics in two orthogonal planes with respect to the light receiving position in the embodiment shown in Fig. 1, and Fig. 3 is a diagram showing the spatial frequency characteristics in two orthogonal planes. Fig. 4 is a diagram showing the spatial frequency characteristics in two orthogonal planes with respect to the light receiving position in an imaging device with a deviation in the focal position in two orthogonal planes. It is. 1...Lens system, 2...Correction lens, 3, 4
...Optical component, 5... Light receiving surface, 6... Incident light.
Claims (1)
点位置に光学系の不完全さにより発生したずれを
補正する補正光学手段を備えたことを特徴とする
結像装置。 ２ 前記補正光学手段は、中心軸を含み互に直交
する２つの平面での曲率を異らせたレンズである
ことを特徴とする請求項１記載の結像装置。[Claims for Utility Model Registration] 1. A system comprising a correction optical means for correcting deviations caused by imperfections in the optical system in focal positions in two mutually orthogonal planes including the central axis. image device. 2. The imaging device according to claim 1, wherein the correction optical means is a lens having different curvatures in two mutually orthogonal planes including a central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5231790U JPH0411515U (en) | 1990-05-18 | 1990-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5231790U JPH0411515U (en) | 1990-05-18 | 1990-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0411515U true JPH0411515U (en) | 1992-01-30 |
Family
ID=31572521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5231790U Pending JPH0411515U (en) | 1990-05-18 | 1990-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0411515U (en) |
-
1990
- 1990-05-18 JP JP5231790U patent/JPH0411515U/ja active Pending