1pcs High Precision Optical Glass Triangular Prism 5x5x5mm with Reflective Coating - for Light Path Demonstration and Optical Experiments
High Precision Optical Glass Triangular Prism with Reflecting Film - 30x30x30mm K9 Glass
High Precision Optical Glass Triangular Prism with Reflecting Film - 20x20x20mm BK-7
ANKROYU Professional Mini Peanut Prism 1.5in Survey Prism Total Station Accessory High Precision Optical Glass Construction Grade for Civil Engineering Tunnel Bridge Measurement
High Precision Optical Glass Triangular Prism 15x15x15mm - K9 Material for Light Deflection and Beam Offset
High Precision Optical Glass Triangular Prism with Reflecting Film - 20x20x60mm BK-7 for Light Deflection and Beam Demonstration
