Triplet magnifying glass with UV lighting
This triplet loupe enables perfect illumination when viewing and also offers UV lighting, ideal for observing florescences. Precision loupe of the highest optical quality, with a lens system that consists of three individual lenses. The lenses of this A.KRÜSS loupe are achromatic (color-corrected) and aplanatic (distortion-free). Their special design eliminates the visible colour flaws, and the magnification is extremely high-contrasted and provides images that are razor-sharp up to the edges. Useful helper and indispensable for basic gemmological equipment.
Practical examples of how gemstones can be analyzed under UV light can be found, for example, in the article: Recognizing counterfeit diamonds under UV light .
More information on the examination method with UV light and phosphorescence as well as fluorescence can be found in the Luminescence method article.