Patent
1990-01-24
1991-05-14
Henry, Jon W.
350145, 350171, G02B 2304, G02B 2714
Patent
active
050150820
ABSTRACT:
The invention is directed to a microscope having a binocular tube of the Siedentopf type. With this microscope, two different viewing elevations can be adjusted at a fixed viewing angle notwithstanding the simplest mechanical and optical configuration. The optical configuration of the microscope is achieved in that the first tube arm is journalled so as to be freely rotatable on the microscope support about the optical axis. The second tube arm is journalled on the first tube arm so as to be rotatable about the common optical axis.
REFERENCES:
patent: 2634654 (1953-04-01), Bauersfeld
Ridgeview Enterprises, "Some . . . Myopter", Optometric Weekly, Feb. 28, 1974, p. 52.
Dietrich Peter
Westphal Klaus
Carl-Zeiss-Stiftung
Henry Jon W.
Ottesen Walter
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