Reflecting illumination optical system for microscopes

Details Reflecting illumination optical system for microscopes Reflecting illumination optical system for microscopes

1994-03-30

1998-07-07

Nguyen, Thong

Optical: systems and elements

Compound lens system

Microscope

359381, 359385, 359432, G02B 2106, G03B 1306

Patent

active

057777845

ABSTRACT:
A reflecting illumination optical system for microscopes has a light source, a lamp house section including a collector lens with a focal length corresponding to the light source, and a reflecting projection tube section including a projection optical system for projecting the image of the light source at a position adjacent to the pupil of an objective lens. Further, a variable magnification section composed of a nearly afocal variable magnification lens unit is removably inserted between the reflecting projection tube section and the lamp house section, or in the interior of the reflecting projection tube section. Thus, when the lamp house section is replaced by another, the magnification of projection of the light source at the position adjacent to the pupil of the objective lens can be changed.

REFERENCES:
patent: 3464760 (1969-09-01), Laures
patent: 3799645 (1974-03-01), Stankewitz
patent: 3813172 (1974-05-01), Walker et al.
patent: 4148552 (1979-04-01), Suzuki et al.
patent: 4284327 (1981-08-01), Kesaft et al.
patent: 4397529 (1983-08-01), Taira
patent: 4687304 (1987-08-01), Piller et al.
patent: 4852985 (1989-08-01), Fujihara et al.
patent: 5325231 (1994-06-01), Tamura et al.
Inoue, Everything about Microscope, Chijin Shokan Co., Ltd, Apr. 1, 1977, pp. 36-38, partial English translation.

Affiliated with

Also associated with

Rating

Reflecting illumination optical system for microscopes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reflecting illumination optical system for microscopes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reflecting illumination optical system for microscopes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1212364