JPH0435044B2 - - Google Patents
Info
- Publication number
- JPH0435044B2 JPH0435044B2 JP22216583A JP22216583A JPH0435044B2 JP H0435044 B2 JPH0435044 B2 JP H0435044B2 JP 22216583 A JP22216583 A JP 22216583A JP 22216583 A JP22216583 A JP 22216583A JP H0435044 B2 JPH0435044 B2 JP H0435044B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group
- lenses
- positive
- negative
- 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.)
- Expired
Links
- 230000004075 alteration Effects 0.000 description 20
- 239000000463 material Substances 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 206010010071 Coma Diseases 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22216583A JPS60115908A (ja) | 1983-11-28 | 1983-11-28 | 投影レンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22216583A JPS60115908A (ja) | 1983-11-28 | 1983-11-28 | 投影レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60115908A JPS60115908A (ja) | 1985-06-22 |
JPH0435044B2 true JPH0435044B2 (en]) | 1992-06-09 |
Family
ID=16778191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22216583A Granted JPS60115908A (ja) | 1983-11-28 | 1983-11-28 | 投影レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60115908A (en]) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61249014A (ja) * | 1985-04-27 | 1986-11-06 | Minolta Camera Co Ltd | ビデオプロジエクタ−用屈折型光学系 |
JPS62138811A (ja) * | 1985-12-11 | 1987-06-22 | Minolta Camera Co Ltd | ビデオプロジエクタ−用屈折型光学系 |
US5353164A (en) * | 1992-10-30 | 1994-10-04 | At&T Bell Laboratories | Objective lens for a free-space photonic switching system |
-
1983
- 1983-11-28 JP JP22216583A patent/JPS60115908A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60115908A (ja) | 1985-06-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4603950A (en) | Projection lens | |
JPS59121016A (ja) | 投影レンズ | |
JPH0577043B2 (en]) | ||
JPH0679105B2 (ja) | 投写形テレビジョン用レンズ | |
JPH0151809B2 (en]) | ||
JP4240342B2 (ja) | レトロフォーカス型レンズ | |
JP3040187B2 (ja) | 投影レンズ | |
JPH0750245B2 (ja) | 投影レンズ | |
JPH0316002B2 (en]) | ||
JP3222126B2 (ja) | 投写型画像表示装置 | |
JPH0435044B2 (en]) | ||
JP3101738B2 (ja) | プロジェクター用投影レンズ | |
JPH0990219A (ja) | 投写レンズ | |
JPH0421843B2 (en]) | ||
JPH04335610A (ja) | 投影レンズ | |
JPH0358488B2 (en]) | ||
JPH02196207A (ja) | プロジェクター用投影レンズ | |
JPH0638132B2 (ja) | 投影レンズ | |
JP2762638B2 (ja) | 投影レンズ | |
JPH0395512A (ja) | 投写用レンズ | |
JP2781604B2 (ja) | 投写レンズ | |
JP2691030B2 (ja) | 投写レンズ | |
JP3493305B2 (ja) | 投写用レンズ装置 | |
JP2629095B2 (ja) | 投写レンズ | |
JPH0446404B2 (en]) |