Penta PrismsFeatures: deviate a beam of light by 90°.Applications: Plumb Level, Surveying, Alignment, Range finding and Optical Tooling, Projection Optics Systems, Imaging Optics Systems, Optical Measurement Systems, Optical Display Systems, etc.Description:A pentaprism is a five-sided reflecting prism used to deviate a beam of light by 90°. It has two important characters, firstly the beam ...