OPL Teaching Diffraction-Grating Spectroscope - OPL4

Описание

OPL Teaching diffraction grating spectroscope. It has fixed slit and fixed focus, with a 600 lines per millimeter fine quality diffraction grating and is larger than the OPL Pocket Size Diffraction Grading Spectroscope. It is constructed of stainless steel and black acetol and comes packed in a blue plastic storage tube. The spectroscope is 104mm long, 25mm wide, and weighs 110 grams. Читать далее