Product: Diffraction Grating sheet 1,000 lines/mm Linear 5 Foot x 6 Inches Wide
Roll of 5 optical grill sheets 13500 lines/mm Very efficient, double Axis, embossed Holographic Optical Elements (H.O.E.). Size 6 x 60 inches/15 x 150 cm Spectrum quality – Brightest possible with a minimum of distracting visual noise Used for the direct view and analysis of the Spectra of multi entry gas pipes and other light sources.
Roll of 5 diffraction grating sheets 1000 lines/mm
Size: 6"x60" / 15x150 cm
Highly efficient embossed Holographic Optical Elements (H.O.E.).
Use for the direct viewing and analysis of spectra from different gas tubes and other light sources.
Spectrum quality - the brightest possible with a minimum of distracting visual noise

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