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Aluminized Optical Prisms Height 12.7mm Half Penta Prism Used In Telescopes
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xProduct Details
| Product Name | Half Penta Prism | Feature | Deviate The Beam By 45° Without Inverting Or Reverting The Image |
|---|---|---|---|
| Eometrical Structure | Hlaf Cut Of Penta Prism | Applications | Projection And Imaging System |
| Size | 12.7-18mm And Custom Available | Surface | Non-TIR Surface Can Be Coated Or HR Coated |
| Highlight | Optical Prisms 12.7mm,12.7mm Half Penta Prism,Aluminized Optical Prisms |
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Product Description
Half Penta Prism, Semipentaprisms, Used In Telescopes
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Overview: Half-Penta prisms also known as Bauernfeind prisms or Semi-pentaprisms are used to deviate the line of sight by 45° without inverting or reverting the image. It is widely used in telescopes and also has applications in projection and imaging system, in microscope tubes, and in geodesy.
The Half-penta prism has the geometrical structure of a penta prism cut in half. The beam is reflected twice in the prism, first with total internal reflection and a second time on a coated reflecting surface. The prism requires aluminized and over-coated with Inconel and black paint for the non-TIR surface to be usable in practice.
Combining a Half-Penta Prism with a correspond size Schmidt roof prism creates a Pechan prism pair. The Pechan prism pair will invert or revert the image while not deviating the line of sight.
General Specifications of Half-penta Prism:
Standard Products of Half-penta Prism:
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