Specification Brand : SUANWANG BulletPoint1 : Size: 50×50×50mm/60×60×60mm/70×70×70mm BulletPoint2 : No silvering on the diagonal face. BulletPoint3 : Right Angle Prisms are typically used to bend image paths or for redirecting light at 90°. BulletPoint4 : This right-angle optical glass prism is perfect for measuring critical angles and observing reflection.Using two Right Angle Prisms together is ideal for image or beam displacement applications. BulletPoint5 : Good for optics lessons or optics science projects. Color : As Described ExternallyAssignedProductIdentifier : 1054613466578 ItemDisplayDimensions_Length : 2.32 centimeters ItemDisplayWeight : 0.33 pounds ItemName : SUANWANG Optical Glass Reflecting Prism, Right Angle Prism Suitable for Precision Optical Instruments, 50×50×50-70×70×70mm,50×50×50mm ItemPackageDimensions_Height : 1.18 inches ItemPackageDimensions_Length : 6.1 inches ItemPackageDimensions_Width : 5.31 inches ItemPackageQuantity : 1 ItemTypeKeyword : science-classroom-optics-kits ItemVolume : 1 cubic_centimeters Manufacturer : SUANWANG Material : Glass ModelNumber : QC9D062427DL38H2LP NumberOfItems : 3 NumberOfLithiumMetalCells : 1 PartNumber : 52819461-578-346 ProductDescription : Product parameters: Material: H-K9L optical glass Dimensional tolerance: +0.1mm Angle/Tolerance: 90°/±3' Effective aperture: >90% Reflective film material: This optical part is not coated Function type: detection product, optical path refraction Dimension: 50×50×50mm/60×60×60mm/70×70×70mm