Objective lens for image pickup apparatus with size of image pic

Details Objective lens for image pickup apparatus with size of image pic Objective lens for image pickup apparatus with size of image pic

1995-12-27

1997-12-09

Epps, Georgia Y.

Optical: systems and elements

Lens

With variable magnification

359696, 359697, G02B 1514

Patent

active

056966342

ABSTRACT:
An objective lens for application to an image apparatus of which the size of the image pickup surface is changeable over between a first mode of a first aspect ratio and a second mode of a second aspect ratio has first optical member for extending the focal length of the objective lens, second optical member for shrinking the focal length of the objective lens, an operating member, and a transmitting mechanism for transmitting the operating force of the operating member to the first optical member under the first mode, and transmitting the operating force to the first and second optical member under the second mode, and by the operation of the operating member, under the first mode, the first optical member is removably insertable into the optical path of the objective lens, and under the second mode, the first and second optical member are removably insertable into the optical path of the objective lens.

REFERENCES:
patent: 3185061 (1965-05-01), Westphalen
patent: 3817600 (1974-06-01), Watanabe
patent: 4078857 (1978-03-01), Kantner
patent: 4669848 (1987-06-01), Wakabayashi
patent: 4865434 (1989-09-01), Matsubsita
patent: 4963907 (1990-10-01), Inoue
patent: 5091802 (1992-02-01), Imaoka et al.
patent: 5258799 (1993-11-01), Tanii
patent: 5291233 (1994-03-01), Hashimoto
patent: 5467226 (1995-11-01), Watanabe
patent: 5473404 (1995-12-01), Stephenson
Patent Abstracts of Japan, vol. 95, No. 1, Feb. 28, 1995 (JP-A-6-303469, Oct. 28, 1994).
Patent Abstracts of Japan, vol. 18, No. 281 (P-1744), May 27 1994 (JP-A-6-051186, Feb. 25, 1994).
Patent Abstracts of Japan, vol.18, No. 18, No. 612 (P-1829), Nov. 21,1994 (JP-A-6-230279, Aug. 19, 1994).

Affiliated with

Also associated with

Rating

Objective lens for image pickup apparatus with size of image pic does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Objective lens for image pickup apparatus with size of image pic, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Objective lens for image pickup apparatus with size of image pic will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1612156