Microscope system and objective unit

Details Microscope system and objective unit Microscope system and objective unit

2007-12-04

2007-12-04

Boutsikaris, Leonidas (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S656000

Reexamination Certificate

active

11057165

ABSTRACT:
A microscope system includes a light source and an objective unit. The objective unit includes an objective optical system, including a small-diameter distal optical system arranged at an end brought near to or into contact with a specimen, for focusing light from the light source onto the specimen; a threaded mount at a coupling position; and an outer cylinder enclosing the small-diameter distal optical system. The microscope system further includes an imaging optical system for forming an image of light from the specimen through the objective optical system and a microscope main body for housing the imaging optical system. The objective unit is detachable from and attachable to the microscope main body with the threaded mount. Conditional expression Df/Da≦0.3 is satisfied, where Df represents the outer diameter of the outer cylinder and Da represents the outer diameter of the threaded mount.

REFERENCES:
patent: 3437404 (1969-04-01), Seedhouse
patent: 2002/0181096 (2002-12-01), Sasaki
patent: 2003/0058530 (2003-03-01), Kawano
patent: 2003/0081310 (2003-05-01), McManus
patent: 2004/0224315 (2004-11-01), Villa et al.
patent: 03-087804 (1991-04-01), None
patent: 05-072481 (1993-03-01), None
patent: 07-306364 (1995-11-01), None

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