Description
- Pack of 50 Holographic Diffraction Grating "Fireworks" Glasses Double Axis 13,500 Lines/"
- Paper glasses, fit both adults and children.
- Highly efficient, double Axis, 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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Rainbow Symphony 50 Holographic Diffraction Grating Fireworks Glasses Double Axis 13,500 Lines/
