[Features] · A right angle prism is used for bending light 90° or 180°. · The function is the same as a mirror, but by using a prism for the reflective function, in general, systems can be made more compact. Also, since the mirrored surface features a protective coating, degradation of the imaging performance due to dust and scratches is minimized. · Caution is needed when using for white light, since chromatic aberration may occur due to the dispersion properties of the material (wavelength dependence of the refractive index). · Divided into B and C types depending on the difference in the coating applied to each surface of the prism.