Microscope

Details Microscope Microscope

1995-08-02

1997-07-15

Callahan, Timothy P.

Optical: systems and elements

Compound lens system

Microscope

359380, 359381, 359384, G02B 702, G02B 2100

Patent

active

056488696

ABSTRACT:
A microscope includes a revolver on which are mounted at least three objective lenses having different magnifications, a driving device for revolving the revolver to switch the objective lens disposed in an optical path of the microscope, an operating device capable of giving a plurality of drive commands for disposing a desired objective lens in the optical path of the microscope to the driving device and an invalidating element for invalidating a specified drive command among the drive commands. The specified drive command serves to switch the objective lens disposed in the optical path of the microscope from a first objective lens having a minimum magnification to a second objective lens having a maximum magnification among the objective lenses.

REFERENCES:
patent: 4486078 (1984-12-01), Hashimoto et al.
patent: 4544244 (1985-10-01), Moore
patent: 4695437 (1987-09-01), Jorgens et al.
patent: 4961636 (1990-10-01), Gaul et al.
patent: 5260825 (1993-11-01), Nagano et al.
patent: 5276550 (1994-01-01), Kojima
patent: 5337177 (1994-08-01), Toyada et al.
patent: 5396063 (1995-03-01), Ito et al.
patent: 5508850 (1996-04-01), Noguchi

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