| 摘要 |
PURPOSE: A magnifying apparatus for naked eye inspection capable of controlling brightness is provided to emit anion and protect the health of an inspector. CONSTITUTION: A light emitting diode unit(50) is installed on a frame, and comprises red, green, and blue light emitting diodes. A light controller controls the light intensity of a light emitting diode unit, and controls the color and the brightness of the light. An external light reflection preventing film(60) is coated on a surface of a convex lens to prevent the reflection of the external light from the convex lens.
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