Light box for small items, e.g. gemstones 15X to 30X magnification loupes See which will scratch your

See which will scratch your sample and which will not

15mns minutes for the machine to warm up

though you could get your optician to make lenses to correct for astigmatism

Tip: can test stones down to 0

Light box for small items, e.g. gemstones 15X to 30X magnification loupes See which will scratch yourDetails A light box for illuminating small objects. We have in mind gemstones. Though any small samples can be lit, from leaves and insects to stamps and fabrics. The obvious method of lighting a gemstone is to hold the gemstone (in a stone holder) in one hand and hold a torch in the other hand, but you should also light it from underneath (which gives a totally different view). The easiest way to do this is to place it over the light source on a