Wide-angle zoom lens with removed forward entrance pupil
| Autor: | Irina L. Livshits-Anitropova, Michael M. Russinov, Igor G. Bronchtein |
|---|---|
| Rok vydání: | 1998 |
| Předmět: |
Physics
Zoom lens Simple lens InformationSystems_INFORMATIONINTERFACESANDPRESENTATION(e.g. HCI) business.industry ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION Lens speed law.invention Lens (optics) Entrance pupil Optics law Focal length Computer vision Artificial intelligence Zoom business Angle of view |
| Zdroj: | SPIE Proceedings. |
| ISSN: | 0277-786X |
| DOI: | 10.1117/12.322008 |
| Popis: | Some ideas of design zoom lenses with removed forward entrance pupils (pinhole zoom lenses) are presented. The methodology and current status will be discussed in this paper. Number of examples illustrate approaches proposed: optical extension adapter which allows to use together a pinhole lens with fixed focal length and video-camera zoom lens to form a zoom pinhole lens; three positive components, including linearly moving collective lens to provide variable focal length. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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