Fixed slit & fixed focus, with a 600 lines per millimetre fine quality diffraction grating; similar to but smaller than the OPL Teaching Spectroscope. This spectroscope has been used throughout the world for more than 35 years & is recognized and respected by gemmologists & gemmological teaching centers worldwide. It is an ideal instrument for a small gemmological ‘Mini-Lab’ kit, or is easily carried in a pocket or ladies handbag.
Perfect for use at antique fairs, for field use or general study purposes. Constructed of stainless steel & black acetol, 55mm long, 12.5mm wide, weight 31 grams, packed in a distinctive blue lined transparent plastic case. As shown in ‘A Students’ Guide to Spectroscopy’ by C. Winter
£57.50 (excludes VAT where applicable)