Unknown Japanese Light/Viewer

[Fort Susquehann]

This is a viewing scope with a very bright light incorporated into the tube. I think this is a medical device. Can anybody identify it? Thank you.

[GHP]

Dunno if this helps or just adds to the confusion?

富士寫眞光機株式會社
Fuji Photo Optics Co., LTD


Using modern kanji:
富士写真光機株式会社


--Guy