Eyepiece Import Export

3.9/5
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Chine (Rép. pop)

Vendredi 06 avril 2007

The Refractometer is a important instrument which measures the refractive indices of stones, with pull out eyepiece & high quality lens give clear focus and reading. Provides readings from 1.31 to 1.81. Suppied with polarizing filter, monochromatic filter and lightsource. Comes with 1...