Dichroscope, folding Options_USB and by taking minimum and

and by taking minimum and maximum readings for each

information about (and reviews of)  binocular (head-worn) magnifiers- especially the surgeons-type

5x + 8x 12x 41

Hold the light button to adjust brightness

See the tbal-10Kg

Dichroscope, folding Options_USB and by taking minimum andSummary Folds into a case (like a loupe), 20mm dia. If a stone is dichroic (transmits two colours at once) you will see the two distinct colours when viewed through a dichroscope. You can often see the two colours by viewing the stone from different directions, but this can be difficult (often impossible with stones is set in jewellery), it's easier to use a dichroscope. Is it easy to use? Yes. Limitations & Disclaimer For coloured stones only. This