Field stop operating mechanism for microscopes

Details Field stop operating mechanism for microscopes Field stop operating mechanism for microscopes

1980-11-07

1983-06-28

Corbin, John K.

G02B 2106

Patent

active

043902545

ABSTRACT:
A field stop operating mechanism for microscopes to be used with a microscope, which is provided with an illumination system having its optical axis passing in the inside of the base of the microscope and arranged to direct the light from a light source toward a condenser lens by deflecting the optical axis by means of a reflecting mirror, the field stop operating mechanism comprising a field stop and window lens means respectively arranged in front and rear of the reflecting mirror, a rotating ring provided to the field stop and an operating ring arranged near the window lens means, the rotating ring and operating ring being connected to each other by means of bevel gears which mesh with each other.

REFERENCES:
patent: 2493770 (1950-01-01), Manning
patent: 3820882 (1974-06-01), Jakubowski
patent: 4166671 (1979-09-01), Lisfeld et al.
Instructions for "Orthoplan" (date unknown).
"Dialux" advertisement (date unknown).

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