Title: Binocular microscope with lenses rotatable in the plane of optical axes

Abstract: Binocular microscope having a pair of converging optical paths, each including a magnification changing optical device which comprises two or more lens groups. The lens groups are rotatably mounted on the lens housing so that they can be alternately brought into alignment with the optical path for changing the magnification power.

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Inventors: Kawase, Suminosuke (Ohmiya, JP)
Uchiumi, Yoshihisa (Fujimi, JP)
Nishimura, Shinichi (Ageo, JP)

Application Number: 796594
Filing Date: 1977-05-13
Publication_date: 1980-04-01
Assignee: Tokyo Kagaku Kikai Kabushiki Kaisha (Tokyo, JP)
Primary Class(es): 359/376 359/381
Other Classes:
US Patent Ref:

198195	Dec, 1877	Finch	350/39.
409927	Aug, 1889	Clements	350/39.
1622350	Mar, 1927	Sabel	350/39.
2791937	May, 1957	Leitz et al.	350/39.

Other Refs:
Primary Examiner: Henry, Jon W.
Assistant Examiner:
Attorney: Stevens, Davis, Miller & Mosher