237.00 Retail price SKU: 78940391 Category:

Proportion grading graticule for XTG optics

Auxiliary eyepiece to replace one of those supplied as standard for general purposes. This eyepiece allows to grade the cut and the proportions of polished gemstones, thanks to its pattern for proportion evaluation.

A very useful and cheap solution for cut grade analysis of gemstones, a convenient system using the microscope optics.


Key points:

  • available only for 10X magnification
  • only for XTG optics
  • reticule with protractor and crosshair



Technical specifications 
Eyepiece tube diameter⌀ 30 mm