Lens hood with an eccentrically disposed light intercepting body for a camera
US4461547A · kind A · utility
4Cited by
11References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1983 |
| Grant date | Jul 24, 1984 |
| Priority date | — |
| Expiry date | Jun 23, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B11/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A shiftable lens hood for a camera includes a light-intercepting body which has its front end representing a sectional form taken on a plane inclined to the center axis thereof of which is secured to a lens barrel of the camera, in eccentric relationship with its mounting section, whereby even when a taking lens is shifted effective light rays within a photographing angle of view are not shaded, thus an effective light-intercepting effect being obtainable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.