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• Teaching photography supplies:can add brightness and harmony to your life space or , also can use them for decoration or teaching,optical teaching accessories
• Conical lens sensor:the conical lens is designed to be highly polished, with edging, high transmittance and good reflectivity,conical lens home decor
• Conical optical equipment:the clear crystal set are believed to clear our mind and absorb sunshine too,conical lens sensor
• Optical circular cone prisms:make sure of bubbles, distortions, color or ,conical lens sensor
• Optical prisms:if you want to take some amazing pictures, or some basic optical research, or as a friends lover etc,conical lens sensor