| タイトル | Design of a variable-focal-length optical system |
| 本文（外部サイト） | http://hdl.handle.net/2060/19850018038 |
| 著者（英） | Ricks, D.; Shannon, R. R. |
| 著者所属（英） | Jet Propulsion Lab., California Inst. of Tech.|Arizona Univ. |
| 発行日 | 1984-09-15 |
| 言語 | eng |
| 内容記述 | Requirements to place an entire optical system with a variable focal length ranging from 20 to 200 cm within a overall length somewhat less than 100 cm placed severe restrictions on the design of a zoom lens suitable for use on a comet explorer. The requirements of a wavelength range of 0.4 to 1.0 microns produced even greater limitations on the possibilities for a design that included a catadioptric (using mirrors and glass) front and followed by a zooming refractive portion. Capabilities available commercial zoom lenses as well as patents of optical systems are reviewed. Preliminary designs of the refractive optics zoom lens and the catadioptric system are presented and evaluated. Of the two, the latter probably has the best chance of success, so long as the shortest focal lengths are not really needed. |
| NASA分類 | OPTICS |
| レポートNO | 85N26349
NAS 1.26:175710
NASA-CR-175710
JPL-9950-1052 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/156460 |
