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2pcs Packs Clear Fireworks Diffraction Grating Sheet Film.
Diffraction Grating that has 13,500 lines per inch sheet.
0.25mm Thickness A4 Size Sheet 210*297mm(8*11 Inch Important!!)Comes with protective peel-off film on both sides.
Diffraction Gratings are used for direct viewing and analysis of spectra from different gas tubes and other light sources.
Every Diffraction sheet is separated by a faint line. The line does not distort or disturb the light quality of the diffraction.

Description

8"X11" A4 Diffraction Gratings sheets;
Used for direct viewing and analysis of spectra;
The quality of the spectrum is the brightest possible;
Recommended to use in conjunction with colored film gels;
Sheet of Diffraction Grating that has 13,500 lines per inch sheet;
Every Diffraction sheet is separated by a faint line. The line does not distort or disturb the light quality of the diffraction;
Diffraction Gratings are used for direct viewing and analysis of spectra from different gas tubes and other light sources;
The quality of the spectrum produced from these gratings is the brightest possible with a minimal distracting visual noise;
These gratings are the principal component in a spectroscope and are used for experiments pertaining to the study of light and color.