Amlong Crystal 6 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 150mm
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Amlong Crystal 2.5 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 60mm
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4 Pack K9 Optical Crystal Photography Prism Set, Include 55mm Crystal Ball, 50mm Crystal Cube, 50mm Triangular Prism, 60mm Optical Pyramid with Gift Box& Wipe Cloth for Teaching, Playing, Photography
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Amlong Crystal 8 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 200mm
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Optical Glass Light Spectrum Prism Basic Physics Teaching 4PCS
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3pc Equilateral Prisms Set -1",2" & 4" Lengths Crystal Triangular Prism Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Maker Photography Props
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Color Crystal Faceted Optical Prism Beam Splitter Light Refracting Photography Science Glass Prisms
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QFkris 2 Pack 6inch Crystal Optical Glass Triangular Prism Clear Triple Prism for Photography Effects Physics Teaching Light Spectrum Optics Kits,Clear
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QFkris 4pcs Clear Triangular Prism for Photo Rainbow Lights Crystal Optical Prisms Glass Physics Teaching Refracted Light Spectrum Students Presents Gift,50mm/2inch
Right Angled Triangular Prism, N-BK7 (K9) Optical Components Glass for Precision Instruments Excellent, Physics, Light Refraction & Wavelength Experiments
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