Objective unit

Details Objective unit Objective unit

1997-07-25

1999-01-12

Nguyen, Thong

Optical: systems and elements

Compound lens system

Microscope

359385, 359661, G02B 2106, G02B 2102

Patent

active

058597271

ABSTRACT:
An objective unit in which illumination light is applied through an annular illumination light path surrounding lenses for guiding observation light coming from an object of observation, and which includes a shared lens for guiding the illumination light from the illumination light path to the object of observation and for guiding the observation light to the lenses.

REFERENCES:
patent: 1954775 (1934-04-01), Heine
patent: 2809554 (1957-10-01), Bernhardt
patent: 2844992 (1958-07-01), Bernhardt
patent: 4160578 (1979-07-01), Gottlieb et al.
patent: 4634234 (1987-01-01), Baumann

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