| 摘要 |
PROBLEM TO BE SOLVED: To provide an illuminator for observing tea leaves, suitable for the judgment of their color, luster, shape (twisted state, etc.), etc., as specific examination items for tea leaves and capable of being used in both day and night without receiving any effect of other light sources. SOLUTION: This illuminator for observing tea leaves equipped with a standard light source in an observing box 2 formed with an opening at its front surface, and observing the color, luster, twisted state, etc., of the tea leaves A positioned in the observing box 2, is characterized by equipping a plurality of standard light sources 8, 9, which can be selectively lighted on. It is possible to select an adequate illuminance according to a purpose such as cases of observing the color and luster, observing the twisted state or the like.
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