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High Precision Optical Glass Right Angle Prisms

In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. At least two of the flat surfaces must have an angle between them. The exact angles between the surfaces depend on the application. The traditional geometrical shape is that of a triangular prism with a triangular base and rectangular sides, and in colloquial use "prism" usually refers to this type. Some types of optical prism are not in fact in the shape of geometric prisms. Prisms can be made from any material that is transparent to the wavelengths for which they are designed.

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    Fuzhou, China
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1. BBAR Coated Hypotenuse Right Angle Prisms

Right Angle Prisms are typically used to bend image paths or for redirecting light at 90°. Right Angle Prisms are Prisms designed with a 90° angle. Right Angle Prisms produce inverted or reverted left handed images, depending on the orientation of the prism. Using two Right Angle Prisms together is ideal for image or beam displacement applications. These prisms are also known as image reflection or reflecting prisms.

1.1.What is right angle prism used for?

Right Angle Prisms are typically used to bend image paths or for redirecting light. It is used to deviate light through 90 degree, and it also can be used to deflect light through 180 degree by total internal reflection.

1.2.What kinds of materials can  HG OPTRONICS use to make right angle prism?

N-BK7 glass , UV Fused silica, other optical glass

1.3.What is  HG OPTRONICS standard manufacturing capability and top limit for right angle prism?


Standard capability

Top limit

Dimension Tolerance



Clear Aperture



Angle Tolerance






Surface quality



1.4. What is the typical size?






















Other sizes and shapes are available.

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