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• Optical prisms glass--fine workmanship and chic appearance design will ensure the practicality and durability,triangle prisms
• Optical prisms--it comes with the compact size, portable and very handy to use, bring much convenience to you,prisms glasses
• Glass prisms--use these prisms to split beam of light into its spectral components, which is clear and efficient,prisms for windows
• Prisms--meticulously crafted, with high gloss and transparency, high light-refracting characteristics,glass rainbow prisms
• Equilateral prisms--compact size, which is easy to use, store and carry, simple and convenient to use,triangle prisms photography