Olympus Optical Company, Ltd.

Takaharu Koike

Akio Taira

Kimiaki Yamamoto

A microscope optical system wherein a light is made to enter a beam splitter of a Jentzch type prism through another surface than the front surface of the beam splitter in order to form a Jentzch type binocular optical system to be small and simple and to be able to obtain a high quality object image.

Microscope tube system

A light absorptive film comprising a light absorptive metallic layer and layer of dielectric material arranged on the incidence side of said light absorptive metallic layer, said light absorptive film being so adapted as to reduce reflection on said metallic layer by composing it in such a manner that the reflected wave produced at the boundary surface between said metallic layer and said layer of dielectric material is canceled by the reflected wave produced at the boundary surface of the other side of said metallic layer.

Growing community of inventors

Ina, Japan

Takaharu Koike