Fixed slit & fixed focus, with a 600 lines per millimetre fine quality diffraction grating. OPL “Teaching” Diffraction Grating Spectroscope are similar to but larger than the Pocket model.

This spectroscope is ideal for laboratory or classroom use. Has been used worldwide for more than 20 years. Reviewed favourably in several international gemmological journals. Constructed of stainless steel & black acetol, 104mm long, 25mm wide, weight 110 grams, packed in a distinctive black plastic tube.

Shown in “A Students’ Guide to Spectroscopy” by C. Winter.

Best used with the OPL Stand.

£67.50 (excludes VAT where applicable)