Lens barrel, accessory and camera system
US6157781A · kind A · utility
27Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1997 |
| Grant date | Dec 5, 2000 |
| Priority date | — |
| Expiry date | May 23, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/633
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lens barrel which is detachably mountable on a camera body comprises a lens system and a low-pass filter, wherein the low-pass filter is detachably mountable with respect to an optical path of the lens system. An accessory which is provided between a camera body and a lens barrel and which is detachably mountable on the camera body and the lens barrel, comprises a lens and a low-pass filter. A camera system comprises a camera body and a lens barrel which is detachably mountable on the camera body, wherein the lens barrel has a low-pass filter which is detachably mountable with respect to an optical path of a lens system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.