OPL Spectroscope (Large)

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. Constructed of stainless steel & black acetol, 104mm long, 25mm wide, weight 110 grams, packed in a distinctive black plastic tube.