Penta prism with black painting 19P1T54
Material: BK7 glass, PMMA, PC, Fused Silica, Sapphire etc. Dimension: 0.5mm – 200mm Surface Accuracy: lambda/20 Size Tolerance: +/-0.01mm Angle Tolerance: +/-30 sec Coating: AR, HR, HT, customized as requested Prisms are ground and polished into geometrical and optically significant shapes. The angle, position, and number of surfaces help define the type and function. One of the most recognizable uses of prisms, as demonstrated by Sir Isaac Newton, consists of dispersing a beam of white light into its component colors. Since the initial discovery, prisms have been used in “bending” light within a system, “folding” the system into a smaller space, changing the orientation of an image, as well as combining or splitting optical beams with partial reflecting surfaces. These uses are common in applications with telescopes, binoculars, surveying equipment, and son on. VY Optoelectronics Co.,Ltd. could manufacture wide range of prism, such as dove prism, penta prism, triangle prism, right angle prism, pyramid prism, beamsplitter prism, cube prism, wedge prism, Rhombic prism, roof prism and amici prism etc.. Our prism own advantage below, welcome to inquire us, thanks. Picture shown is a penta prism we manufacture for our customer, the surface required black painting to protect light missing. An incident beam can be deviated by 90 degree without inverting or reversing through a Penta prism. Penta prism has five sides, four of them polished. Two reflective sides are coated with metal or dielectric HR coating and these two sides can be blackened. The deviation angle of 90deg will not be changed if the penta prism is slightly adjusted, this will be convenient to install it. It is widely used in laser level, alignment and optical tooling.The reflecting surfaces of this prism must be coated with a metallic or dielectric reflective coating.
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Penta Prism is a five-sided prism containing two reflecting surfaces at 45° to each other, and two refracting faces perpendicular to the entering and emerging beams. The standard Penta Prism reflecting surfaces are coated with aluminum or enhanced aluminum.
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