2pcs Clear Triangular Prism, K9 Prisms Set -6" & 1" Lengths Optical Prisms for Teaching Light Spectrum Physics and Photo Photography Prism 2 industrial_Oct2022 T-88 is unique in that

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2pcs Clear Triangular Prism, K9 Prisms Set -6" & 1" Lengths Optical Prisms for Teaching Light Spectrum Physics and Photo Photography Prism 2 industrial_Oct2022 T-88 is unique in that2pcs Clear Triangular Prism, K9 Prisms Set 6" & 1" Lengths Optical Prisms for Teaching Light Spectrum Physics and Photo Photography Prism Product Features High Quality K9 Prism : 100% premium quality optical spectrum glass,not plastic,made of K9 optical glass with better refraction effects and clear reflection,thick optical photography prism glass to create bright and beautiful rainbows by splitting beams of light into its different spectral