Title:
CAMERA WITH VIEWFINDER
Document Type and Number:
WIPO Patent Application WO2002014947
Kind Code:
A3
Abstract:
A camera with a view finder is disclosed that includes a first lens positioned near an objective side of the viewfinder and having a negative optical power and, a second lens having a positive optical power and being positioned at a viewing side of the viewfinder. The first le s and the second lens combine to define a telescope. A partially reflective mirror is disposed between the first lens and the second lens. A framing target is on a surface of teh second lens. The framing target is substantially reflective to light passing from the first lens to the second lens, and is located so a reflected image of the framing target is substantially in focus near the viewing side of the viewfinder. The target may, in some cases, be illuminated by artificial light.
Inventors:
WELLS BEN (US)
BECKER ARTHUR P (US)
BECKER ARTHUR P (US)
Application Number:
PCT/US2001/041671
Publication Date:
January 30, 2003
Filing Date:
August 10, 2001
Export Citation:
Assignee:
BNOX INC (US)
WELLS BEN (US)
BECKER ARTHUR P (US)
WELLS BEN (US)
BECKER ARTHUR P (US)
International Classes:
G03B13/00; (IPC1-7): G03B13/08
Foreign References:
| US6058273A | 2000-05-02 | |||
| US4972216A | 1990-11-20 | |||
| DE4020632A1 | 1992-01-02 |
Download PDF:
Previous Patent: CAMERA
Next Patent: SMALL-SIZE IMAGING APPARATUS, IN PARTICULAR PHOTOGRAPHIC APPLIANCE OR CAMERA
Next Patent: SMALL-SIZE IMAGING APPARATUS, IN PARTICULAR PHOTOGRAPHIC APPLIANCE OR CAMERA