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The Motic GM-168 is specially designed for preparation and inspection work in Gemology. It is used for surface finish inspection of gems, identification of imperfections and evaluation of purity.  With a zoom ratio of 6.7:1 and a standard total magnification of 7.5X to 50X, the GM-168 allows you to switch from a sample overview down to viewing micro details.  

The GM-168 is equipped with bright field and dark field transmitted illumination. Dark field illumination is ideal for the observation of inclusions inside of gems, while the incident Fluorescent illuminator can be used for the examination of the clarity, colour and finishing. The incident illuminator is mounted on a flexible gooseneck in order to adjust and reposition the angle of illumination. 

A comfortable viewing position can be obtained by tilting the optical body of the GM-168 in a range of 0°-45°, and the entire unit is rotatable 360° to easily share the microscope with others. Documentation purposes can be easily fulfilled by using a digital camera on top a of Trinocular version. For available Moticam cameras please visit our Digital Microscopy section. 

Main features 

Greenough optical system, zoom range 6.7:1

7.5X-50X standard total magnification

113mm working distance

0° to 45° stand tilt and 360° rotating base

Bright field (incident and transmitted) and transmitted Dark field illumination

Gem holders available