Spectroscopy Diffraction Grating Spectrophotometer with Various Line Options

Optical Diffraction Grating Spectrophotometer with Multiple Line Options

Diffraction Grating 50 Lines Optical Spectrophotometer for Teaching Experiment

Educational Diffraction Grating with Various Line Specifications Available

Spectrophotometer Diffraction Grating with Various Line Specifications

Diffraction Grating for Spectroscopy Experiment with Multiple Line Options

Educational Use Diffraction Grating Spectrophotometer with Line Variants