PURPOSE: To easily and exactly observe a body to be observed, by providing a light source for irradiating the set area of the body to be observed, and the light source cover of a translucent body.
CONSTITUTION: An observing device 10 is provided with a frame 11, a concave mirror 12, a light source 13, a hood 13A, and a translucent light source cover 13D. Also, the illuminance of the light source 13 is adjusted stepwise or continuously by an illuminance setting part 13C. In such a state, by setting a test tube into which a liquid body to be observed is thrown, to the upper part of the mirror 12, the state of the body to be observed, which appears in the lower face side of the test tube is reflected on the mirror 12, and its image is observed. In such a manner, the state of the body to be observed can be observed easily and exactly.
SAJI HIROO
INOUE TAMOTSU
