Motic Gem Microscope GM171-Binocular Portable Diamond / Gemstone Scales one of the thinnest in

one of the thinnest in the industry

For mounted stones: Hold the jewelry with one hand and the tester with the other

Battery Life (Hrs): 5hrs non-stop

paste and other stones remain green/dark though the filter

HOW TO USE A RUBY FILTER

Motic Gem Microscope GM171-Binocular Portable Diamond / Gemstone Scales one of the thinnest inMicroscope Head The SMZ171 stereo head is an excellent choice for jewelry and gem stone inspection at an affordable price. The parfocal zoom ratio is 6. 7: 1, offering a magnification range of 7x 50x with dual sided zoom controls and a working distance of 110mm. The head is inclined 45 and includes linear sliding interpupillary adjustment of 50mm 75mm. High Eyepoint widefield 10X F. N. 23 eyepieces come standard, offering dual dioptric adjustment and