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RF.5381

1.087,79€
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nD range between 1.30 and 1.81 Equipped with a 590 nm monochromatic filter and an adjustable focus eyepiece with removable polaroid filter for use with birefringent stones

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Description

Handheld/benchtop gemological refractometer for determining the refractive index of gemstones. nD range between 1.30 and 1.81. Equipped with a 590 nm monochromatic filter and an adjustable focus eyepiece with removable polaroid filter for use with birefringent stones.