Title:
CONVERSION LENS AND CAMERA PROVIDED WITH THE CONVERSION LENS
Document Type and Number:
WIPO Patent Application WO/2004/003659
Kind Code:
A1
Abstract:
A conversion lens comprises a close-up lens unit with a micro lens, a wide conversion lens unit provided with a concave lens and openably/closably connected to the close-up lens unit, and installation means for installing with one-touch operation the wide conversion lens unit with its optical axis aligned with that of the close-up lens unit. This enables quick one-touch switching depending on purpose between the lens with a macro function and the lens with a wide function.
More Like This:
| JP2008018207 | ADAPTER FOR DERMOSCOPE |
| JP2024005592 | Attachment optical system and imaging device |
Inventors:
YAMAGUCHI MASATERU (JP)
Application Number:
PCT/JP2003/008120
Publication Date:
January 08, 2004
Filing Date:
June 26, 2003
Export Citation:
Assignee:
SEA & SEA PRODUCTS LTD (JP)
YAMAGUCHI MASATERU (JP)
YAMAGUCHI MASATERU (JP)
International Classes:
G03B17/56; (IPC1-7): G03B17/56
Foreign References:
| JPS62100721A | 1987-05-11 | |||
| JPS63118030U | 1988-07-30 | |||
| JPS5995332U | 1984-06-28 | |||
| JPS636415U | 1988-01-16 | |||
| JPH0490529A | 1992-03-24 | |||
| JPH07244237A | 1995-09-19 | |||
| JPH0455809A | 1992-02-24 | |||
| JPH054120U | 1993-01-22 |
Attorney, Agent or Firm:
Sasaki, Isao (KAWAMURA & ASSOCIATES Toranomon Sangyo
Bldg. 6F, 2-29, Toranomon 1-chom, Minato-ku Tokyo, JP)
Download PDF:
Previous Patent: MULTIFUNCTIONAL INTEGRATED IMAGE SENSOR AND APPLICATION TO VIRTUAL INTERFACE TECHNOLOGY
Next Patent: PROJECTOR
Next Patent: PROJECTOR