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Penta Prisms
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A penta prism deflects the incident beam or image by 90 ° , it has two purposes: firstly, regardless of the incident angle on the first surface, the outgoing light turns the incident light towards a certain angle (90°); the second is that it is different from a right angle prism in that the resulting image has neither rotation nor specular reflection.
Parameter Ranges:
Material： Optical Glasses or Fused Silica
Dimensional Tolerance:±0.05mm
Surface Quality：60 - 40
Flatness：<λ/4@632.8nm
Clear Aperture：>90%
Beam Deviation: 90°±3′
Bevel: Protective <0.5mmx45°
Coating: Reflective surface with protective aluminum coating, entrance and exit surfaces with a single layer of MgF2 AR coating
The Principle and Application of Penta Prism
The penta prism principle is an important principle in optics, which changes the path of light by reflecting and refracting, thereby achieving the separation and focusing of light. The penta prism has a wide range of applications in optical instruments, such as telescopes, microscopes, cameras, etc. It can also be applied to fingerprint instruments, level gauges, solar converters, camera viewfinder, image observation systems, or measuring instruments, etc.
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