Photo 1 of *** ONLY 7 PCS*** Kanayu 12 Pack Clear Triangular Prism Optical Glass Triple Prism for Photography Effects Physics Teaching Light Spectrum Optics(2.5 Inch)

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Photo 1 of *** ONLY 7 PCS*** Kanayu 12 Pack Clear Triangular Prism Optical Glass Triple Prism for Photography Effects Physics Teaching Light Spectrum Optics(2.5 Inch)