Olympus Optical Company, Ltd.

Yukiko Saeki

Takashi Yoneyama

Atsuhiro Tsuchiya

Masakazu Shimada

Takashi Nagano

Hideaki Endo

Nobuyuki Nagasawa

Jitsunari Kojima

A focal point adjustment apparatus applied to an optical apparatus with a projection optical system, comprises, an object lens, a stage on which a plate member on which a subject is put for measurement is placed, provision unit for providing the thickness of the plate member for measurement, determining unit for determining data on the distance between the object lens and the stage on the basis of the thickness of the plate member for measurement provided by the provision unit, and focusing unit for adjusting the distance between the object lens and the stage on the basis of the data on the distance between the object lens and the stage determined by the determining unit.

Focal point adjustment apparatus and method applied to microscopes

Growing community of inventors

Fukuoka, Japan

Yukiko Saeki