Gem-A Prism Spectroscope Bergeon 4040P Movement Holder 20 * 2 * 2cm

20 * 2 * 2cm / 7

not too high so as not to damage the IC

Power Supply: 2 * AAA bateries Or USB Connection (not included)

Model: JX-1601-06 / JX-1601-01 (Optional)

Gem-A Prism Spectroscope Bergeon 4040P Movement Holder 20 * 2 * 2cmUsed to test less pure transparent (opaque) gem materials including rough and broken pieces, fashioned pieces, strings of beads, gems set in jewellery, ornaments and carvings. Our prism spectroscope (unlike others available on the market) gives the observer the flexibility to adjust the focus to suit the user's eyesight, whilst extending the blue area of the spectrum for easier observation. This also allows those who wear glasses to more easily use