Microscope having image brightness equalization

Details Microscope having image brightness equalization Microscope having image brightness equalization

1990-06-06

1991-09-10

Henry, Jon W.

Optical: systems and elements

Prism

With reflecting surface

359370, 359601, 359888, 359889, G02B 2102, G02B 716, G02B 522

Patent

active

050468340

ABSTRACT:
The invention is directed to a microscope equipped with neutral filters adapted to the objectives thereof. These neutral filters are introduced into the imaging beam path of the particular objective in an objective turret of the microscope in order to obtain an image brightness equalization when switching the objectives. The neutral filters are arranged on respective sliders and can be easily removed from the objective turret.

REFERENCES:
patent: 1693021 (1928-11-01), Cameron
patent: 2427689 (1947-09-01), Osterberg et al.
patent: 3503662 (1970-03-01), Grzelak et al.
patent: 4062623 (1977-12-01), Suzuki et al.
patent: 4661692 (1987-04-01), Kawasaki
patent: 4756611 (1988-07-01), Yonekubo et al.

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